BBT is more "accurate" in that it is the only of the two that will actually confirm that you've ovulated. Unfortunately, it only tells you after the fact. It is possible to get a +OPK and not ovulate, which is why OPKs are not always accurate. I would recommend using both--Use OPKs until you get a +, then have sex every day (if possible) until ...EWCM is not an indicator of ovulation, just that it should be happening soon. 2. It could be seminal or arousal fluids if you have BD in the last 12-24 hours. Most women know this but its worth saying as most couples tracking CM are also BD regularly around the time they think they are going to ovulate. 3. Dec 15, 2017 · Hi All. Husband and I started TTC mid oct 2017. Came off oral contraceptives in 1st week of Oct 2017. Have started using OPK and BBT this cycle (currently on cd16 and last cycle was 29 days, previous cycle was 23 days) but still havent had a positive OPK result (clear blue pink tests) which i check first thing in the morning as the pack tells you to. Dec 15, 2017 · Hi All. Husband and I started TTC mid oct 2017. Came off oral contraceptives in 1st week of Oct 2017. Have started using OPK and BBT this cycle (currently on cd16 and last cycle was 29 days, previous cycle was 23 days) but still havent had a positive OPK result (clear blue pink tests) which i check first thing in the morning as the pack tells you to. Between oversleeping one day, some sleep deprivation, heavy drinking one night, indiscernible OPK results, and using the least-adored BBT on TB, I'm basically just crossing my fingers at this point. Thought the temp would go up today for O yesterday but it went down so I'm hoping O today for pretty good timing.Aug 25, 2022 · OPK + BBT all over the place. Hey! I’m 28y, and new here. This is my 1st month ttc, I’ve been tracking my BBT (not always at the same time, between 7 and 8am) and my LH daily. I’m on CD 11 and my BBT has frequent ups and downs, also my LH some days is lower than the previous days like for example today I’ve logged into the app and says ... I'm wondering if any of you OPK/BBT trackers have had anything like this? 4 days of positive OPK in a row and then negative today with no rise in BBT?? I've always had my temp spike in conjunction with my positive OPK and so this has me concerned. I'm also on my second cycle after a miscarriage... help??? Anyone else experience this? Share your ...Basal body temperature (BBT) tracking: Before and after ovulation, BBT (your body’s lowest resting temperature) dips, then rises again. Tracking this shift can let you know if an egg was released. Tracking this shift can let you know if an egg was released.Hi All. Husband and I started TTC mid oct 2017. Came off oral contraceptives in 1st week of Oct 2017. Have started using OPK and BBT this cycle (currently on cd16 and last cycle was 29 days, previous cycle was 23 days) but still havent had a positive OPK result (clear blue pink tests) which i check first thing in the morning as the pack tells you to.A group where you can ask all your BBT related questions! BBT and OPK don't align? So my BBT looks like I O'd three days ago, but my OPK was clearly negative (I check 2-3 times a day during my fertile week), OPK turned strong positive last night... thoughts? Personally I do both. Opk predicts BBT confirms. Of the two I like bbt more. I don’t find it difficult at all, but I’m still ttc#1 so no one wakes me up at night. Just set an alarm for the same time every morning and keep the thermometer and your phone or a pencil beside theBasically, your negative OPK could mean several things. 1) You haven't gotten your surge yet. 2) You have gotten your surge (probably yesterday) and are ovulating today, but for whatever reason didn't ever see the positive OPK. That could be because you didn't test yesterday, or you may have a really short surge.Sep 16, 2019 · BBT rise day before positive OPK. March 18, 2023 | by lliiivvii1112. I’m on cycle 7 trying to conceive baby #1. My BBT was raised yesterday (98F) and I hadn’t got a positive OKP yet so I figured I missed my peek. Because I’m curious I continued taking OPKs and got a very dark positive this morning along with... Nov 11, 2017 · I've been reading online that some women don't get their temp rise until 3 or 4 days after a positive opk. Praying this happens to me. Plan on continuing with OPKs and bd'ing every 2 or 3 days ... Jan 2, 2014 · You don't O on the day of a positive opk. It's 12-36 hours after the positive opk, so that's the reason for the low temps for now. Sometimes you can get a positive opk and not O. In the 3-5 days leading up to ovulation, your cervical mucus will become an egg white consistency, clear and stretchy. This is your fertile mucus and keeping track of it will help you to determine your fertile window. Height of cervix In the days before ovulation, your cervix will change position and shape to help the sperm travel to the ...Therefore, BBT and OPK combined will let you know if you are really O'ing. If you are still in doubt then you should have your doc test and see if you are or not. I have cysts and was not O'ing at ...When using BBT to try and conceive, Choi says the key is to make sure to have sex starting several days before the anticipated temperature rise. On the other hand, Choi says, OPKs test for the spike in luteinizing hormone (LH) that precedes ovulation by a day or two.Aug 24, 2022 · Don't drink a lot of liquid during the two hours before testing. Too much liquid dilutes your urine, which could make it more difficult to detect the surge. Read the results within 10 minutes. A positive result won't disappear, but some negative results may later display a faint second color band that would be misleading. Using a salivary ... Advertisement ...Hiya, so I’m 7/8 dpo today… had positive opk on 17th and I had ovulation pain the same day so That’s why I say 7/8 dpo opk was negative the next day. I don’t check BBT but my Fitbit app shows a temp dip on 17th and then rise too. This month...Every cycle I have been able to measure the LH surge, and also the temp increase when I have ovulated and drop in BBT when AF is arriving. My FP/Ovulation has been all over the place though, so literally I measure OPK 2 times a day just to make sure I don't miss it. The range has been 18-37 days for ovulation - yup, that's a lot of OPKs!10 – 12 percent chance of conception. 5 – 6 days before ovulation. 0 – 5 percent chance of conception. The most important thing to note here is that you can conceive anytime during the 5 days before ovulation and on ovulation day itself. Within your 6-day fertile window, the 2-3 days before ovulation are your most fertile.For most women, the answer is no. LH rises to tell the body that it is time to ovulate and surges 24-36 hours before the release of an egg. If you don’t see this surge, you probably took the test at the wrong time, ovulated early or late, or are experiencing an anovulatory cycle. Rarely, however, your baseline LH level may be high or low ...A bit over 90% of cycles with a positive OPK are ultimately ovulatory (but not necessarily the day after the positive OPK, as the conventional wisdom would tell you). (EDIT: source here) Overall, no, it’s not necessary to track every possible fertility sign, and if you don’t want to track BBT, then you shouldn’t.The month I conceived, I had a negative OPK 2 days before my ovulation, which was detected with my bbt. Good thing we had sex during that time or I would’ve completely missed it. LikeMar 23, 2015 · Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet. Jackelbee3. don't bother with any pregnancy tests if your temp starts to decline. It should be elevated after ovulation and will decline steadily if AF is coming. Sounds like you are doing all of the right things. Good luck to you. Charting my BBT along with using the OPK have really helped me a lot. Jacks.Oct 14, 2017 · When using BBT to try and conceive, Choi says the key is to make sure to have sex starting several days before the anticipated temperature rise. On the other hand, Choi says, OPKs test for the ... Basically, your negative OPK could mean several things. 1) You haven't gotten your surge yet. 2) You have gotten your surge (probably yesterday) and are ovulating today, but for whatever reason didn't ever see the positive OPK. That could be because you didn't test yesterday, or you may have a really short surge.Jackelbee3. don't bother with any pregnancy tests if your temp starts to decline. It should be elevated after ovulation and will decline steadily if AF is coming. Sounds like you are doing all of the right things. Good luck to you. Charting my BBT along with using the OPK have really helped me a lot. Jacks.Really considering giving up on OPKs: Only tried OPK strips so far and find it super annoying that you can't test with FMU. I think it is absolutely… Jun 28, 2023 · Ovulation tests are easy to use. Ovulation kits work similarly to home pregnancy tests—you simply pee on the test stick, activating a chemical that can detect your LH surge. Many OPKs come as a ... Hi all, I'm new here. I'm almost 35 and we've been TTC for 9 months. We usually BD the few days before I get a positive OPK, the day I get a positive OPK, and usually the day after. Well, I started temping 3 months ago and realized there are 4-5 days between my positive OPK's and my temp shift. So when... Hi all, I'm new here. I'm almost 35 and we've been TTC for 9 months. We usually BD the few days before I get a positive OPK, the day I get a positive OPK, and usually the day after. Well, I started temping 3 months ago and realized there are 4-5 days between my positive OPK's and my temp shift. So when...Hi all, I'm new here. I'm almost 35 and we've been TTC for 9 months. We usually BD the few days before I get a positive OPK, the day I get a positive OPK, and usually the day after. Well, I started temping 3 months ago and realized there are 4-5 days between my positive OPK's and my temp shift. So when... May 19, 2019 · TTC #2 (Clomid worked successfully for DD, but 3 rounds didn’t work this time around). On first round of Femara. Usually I O on CD16, but you can see on my chart below that I O-d CD13. I’ve never had an OPK stronger than that! We BD-ed on the day the positive OPK and the day after. I had an HSG on CD12 so... Even with a slow rise, a temperature pattern usually becomes apparent after a few days. It can be helpful to consult with other fertility signs such as cervical mucus and cervical position. Ovulation is most likely to occur on the last day of fertile cervical mucus. But with a slow rise it can sometimes be difficult to pinpoint the exact day of ...Aug 30, 2019 · Women who ovulate and check their basal body temperature (BBT) chart will probably notice a small, but sustained rise in temperature after ovulation, especially after a few months of experience with close monitoring. A woman who is not ovulating will not have that small temperature change. Tracking BBT in addition to cervical mucus can be helpful. Basal body temperature (BBT) tracking: Before and after ovulation, BBT (your body’s lowest resting temperature) dips, then rises again. Tracking this shift can let you know if an egg was released. Tracking this shift can let you know if an egg was released.Nov 11, 2017 · I've been reading online that some women don't get their temp rise until 3 or 4 days after a positive opk. Praying this happens to me. Plan on continuing with OPKs and bd'ing every 2 or 3 days ... Sep 12, 2018 · Tracking Fertility: OPK vs. BBT. Q: Which is a better method of tracking fertility — an ovulation predictor kit (OPK) or basal body temperature (BBT) charting? A: An ovulation predictor kit changes color before you ovulate, based on a surge in your luteinizing hormone (LH), usually 1-2 days before ovulation. When using BBT to try and conceive, Choi says the key is to make sure to have sex starting several days before the anticipated temperature rise. On the other hand, Choi says, OPKs test for the spike in luteinizing hormone (LH) that precedes ovulation by a day or two.Mar 23, 2015 · Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet. Aug 25, 2022 · OPK + BBT all over the place. Hey! I’m 28y, and new here. This is my 1st month ttc, I’ve been tracking my BBT (not always at the same time, between 7 and 8am) and my LH daily. I’m on CD 11 and my BBT has frequent ups and downs, also my LH some days is lower than the previous days like for example today I’ve logged into the app and says ... 13/11/2017 at 11:33 pm. Dont worry! It's all normal! The ovulation and the temp rise usually takes place a day or two after your first positive opk! Sometimes I only get one day of positive opks, sometimes two. Usually I get a temp rise the second day after the first opk. But once or twice it was in the third day! It's all ok and normal.Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet.Mar 2, 2018 · In the 3-5 days leading up to ovulation, your cervical mucus will become an egg white consistency, clear and stretchy. This is your fertile mucus and keeping track of it will help you to determine your fertile window. Height of cervix In the days before ovulation, your cervix will change position and shape to help the sperm travel to the ... I've been reading online that some women don't get their temp rise until 3 or 4 days after a positive opk. Praying this happens to me. Plan on continuing with OPKs and bd'ing every 2 or 3 days ...Aug 24, 2019 · Haha! Don't even ask when I start xmas prep. Still camping but I lost my group for a bit. My temp was pretty consistent this morning. I missed my alarm but the birds woke me up. Using the OPK in the camp bathroom was an experience but it was darker from the day before though still not a clear positive. CS/Q: I'm glad I started temping and using ... Hi, so this is my first month charting my temps . Usually I only do opks. I got my first positive opk on 5th June and other symptoms and today the 8th I’ve still not had a temp rise . I’m using OvuSense too. So I know it’s not how I’m doing it . I’m worried I don’t ovulate at all I’m on cd 21.TTC #2 (Clomid worked successfully for DD, but 3 rounds didn’t work this time around). On first round of Femara. Usually I O on CD16, but you can see on my chart below that I O-d CD13. I’ve never had an OPK stronger than that! We BD-ed on the day the positive OPK and the day after. I had an HSG on CD12 so...Sep 12, 2018 · Tracking Fertility: OPK vs. BBT. Q: Which is a better method of tracking fertility — an ovulation predictor kit (OPK) or basal body temperature (BBT) charting? A: An ovulation predictor kit changes color before you ovulate, based on a surge in your luteinizing hormone (LH), usually 1-2 days before ovulation. Mar 2, 2018 · In the 3-5 days leading up to ovulation, your cervical mucus will become an egg white consistency, clear and stretchy. This is your fertile mucus and keeping track of it will help you to determine your fertile window. Height of cervix In the days before ovulation, your cervix will change position and shape to help the sperm travel to the ... For most women, the answer is no. LH rises to tell the body that it is time to ovulate and surges 24-36 hours before the release of an egg. If you don’t see this surge, you probably took the test at the wrong time, ovulated early or late, or are experiencing an anovulatory cycle. Rarely, however, your baseline LH level may be high or low ...I got my bfp yesterday (yay!!) and If I'm reading my opk/bbt chart right, that's 10dpo. That seems early... does that mean I'm more likely to have twins? Or am i reading it wrong, and I have my dpo wrong? i had a cp last cycle so I'm not sure if that made it wonky.photos: my bfp from yesterday, my bbt...Mar 2, 2018 · In the 3-5 days leading up to ovulation, your cervical mucus will become an egg white consistency, clear and stretchy. This is your fertile mucus and keeping track of it will help you to determine your fertile window. Height of cervix In the days before ovulation, your cervix will change position and shape to help the sperm travel to the ... Nov 1, 2018 · 10 – 12 percent chance of conception. 5 – 6 days before ovulation. 0 – 5 percent chance of conception. The most important thing to note here is that you can conceive anytime during the 5 days before ovulation and on ovulation day itself. Within your 6-day fertile window, the 2-3 days before ovulation are your most fertile. 14K subscribers in the TFABChartStalkers community. Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX TeslaTWW Buddies! Ovulation 26th August. by NewGirl88. 67. Browse more posts.My bbt dropped this morning and Iv had ovulation pains all day, so that would predict that Iv ovulated today- as long as I have a temp rise tomorrow which I’m expecting going by last months chart. But on my clearblue opk Iv got flashing smiley no static yet. If it goes static tomorrow that will say ovulation within 24-48 hours.TTC #2 (Clomid worked successfully for DD, but 3 rounds didn’t work this time around). On first round of Femara. Usually I O on CD16, but you can see on my chart below that I O-d CD13. I’ve never had an OPK stronger than that! We BD-ed on the day the positive OPK and the day after. I had an HSG on CD12 so...Basal body temperature (BBT) tracking: Before and after ovulation, BBT (your body’s lowest resting temperature) dips, then rises again. Tracking this shift can let you know if an egg was released. Tracking this shift can let you know if an egg was released.Jun 5, 2012 · Jun 5, 2012 at 7:13 PM. @Destiny_2013, A pos. opk DOES NOT mean u O. It just confirms your lh surge. The only way to confirm O is with temping. U can get a pos. opk and not O. U can also get a neg. opk but temp rise which means u did O. It is possible your body prepared to O but didn't. This is usually the case with endometriosis. If you do not ovulate, then you may still experience bleeding that is often mistaken for menstruation. This anovulatory bleeding will be irregular, varying in flow, duration and schedule. Without ovulation and resulting lack of progesterone to balance the effects of estrogen, your uterine lining ...Jan 4, 2017 · Even with a slow rise, a temperature pattern usually becomes apparent after a few days. It can be helpful to consult with other fertility signs such as cervical mucus and cervical position. Ovulation is most likely to occur on the last day of fertile cervical mucus. But with a slow rise it can sometimes be difficult to pinpoint the exact day of ... Aug 30, 2019 · Women who ovulate and check their basal body temperature (BBT) chart will probably notice a small, but sustained rise in temperature after ovulation, especially after a few months of experience with close monitoring. A woman who is not ovulating will not have that small temperature change. Tracking BBT in addition to cervical mucus can be helpful. BBT is strictly a morning temperature, right after waking and before getting out of bed. Because of this, it’s normal for your temp to be higher later in the day. Body temperature is very sensitive to movement, eating, and basically every other external factor, which is why it’s so important to test first thing in the morning after being at ...Every cycle I have been able to measure the LH surge, and also the temp increase when I have ovulated and drop in BBT when AF is arriving. My FP/Ovulation has been all over the place though, so literally I measure OPK 2 times a day just to make sure I don't miss it. The range has been 18-37 days for ovulation - yup, that's a lot of OPKs!Jun 28, 2023 · Ovulation tests are easy to use. Ovulation kits work similarly to home pregnancy tests—you simply pee on the test stick, activating a chemical that can detect your LH surge. Many OPKs come as a ... What is the difference between BBT and ovulation predictor kits (OPK)? An ovulation predictor kit measures LH levels, which surge before ovulation. Therefore, OPKs can detect your fertile window in advance, before ovulating. Ideally, we should start having sex before the surge, and when the test becomes positive, we can increase the frequency.See last answer. Amme N. 28/02/2021 at 5:24 pm. After u ovulate you should have 3 consecutive rises in temp... this is mine this month so I know I’ve ovulated and have been strict with timing temp taking this month.. last month I was a bit wishy washy. Edited on 28/02/2021 at 5:25 pm by Amme N.Mar 12, 2018 at 5:30 AM. For the last year I have always used the dollar tree test. They always work perfect with no fail. In January I tried the clear blue easy digital along with my cheap ones and that was the first month ever that I didn’t ovulate. I had 10 days of flashing smiley faces.Tracking Fertility: OPK vs. BBT. Q: Which is a better method of tracking fertility — an ovulation predictor kit (OPK) or basal body temperature (BBT) charting? A: An ovulation predictor kit changes color before you ovulate, based on a surge in your luteinizing hormone (LH), usually 1-2 days before ovulation.Personally I do both. Opk predicts BBT confirms. Of the two I like bbt more. I don’t find it difficult at all, but I’m still ttc#1 so no one wakes me up at night. Just set an alarm for the same time every morning and keep the thermometer and your phone or a pencil beside theApr 21, 2023 · A BBT spike (or progesterone testing) will show that ovulation did actually happen. So it's possible that while you're getting a positive OPK, you may not actually be ovulating when you think you are. If you do eventually get a BBT increase, it could mean that your body is trying again and successfully ovulating the 2nd time. Oct 29, 2022 · 14K subscribers in the TFABChartStalkers community. Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla Hey yeah as a few said you will likely ovulate today. Most often you will see day A. positive opk day B. Ovulation itself day C. Bbt Rise You may see some variance from this, sometimes it takes 2 days to see bbt rise or sometimes your LH surge may happen more than 24hrs before O. But generally the pattern is as listed above.EWCM is not an indicator of ovulation, just that it should be happening soon. 2. It could be seminal or arousal fluids if you have BD in the last 12-24 hours. Most women know this but its worth saying as most couples tracking CM are also BD regularly around the time they think they are going to ovulate. 3. OPK or BBT? Curious to hear others experiences when they were TTC. I have been doing both OPK tests and measuring my BBT for several months and I’m noticing that I’ll get a positive OPK but then my body temperature won’t spike for sometimes up to 4 days later.Yesterday I OPK tested twice with a seemingly positive results (if not 100% it was really, really close). I OPK tested again this morning and the…See last answer. Amme N. 28/02/2021 at 5:24 pm. After u ovulate you should have 3 consecutive rises in temp... this is mine this month so I know I’ve ovulated and have been strict with timing temp taking this month.. last month I was a bit wishy washy. Edited on 28/02/2021 at 5:25 pm by Amme N.Jun 5, 2012 · Jun 5, 2012 at 7:13 PM. @Destiny_2013, A pos. opk DOES NOT mean u O. It just confirms your lh surge. The only way to confirm O is with temping. U can get a pos. opk and not O. U can also get a neg. opk but temp rise which means u did O. It is possible your body prepared to O but didn't. It is now Thursday (CD24) but by BBT has not risen - it has in fact been going down! What is happening and is there still a chance I can ovulate since my BBT hasn’t shifted? My BBT cycle last month indicated a temp shift immediately after ovulation on CD20 (didn’t use OPK last month). I’m quite worried I didn’t ovulate this month. 1. Changes in basal body temperature (BBT) Your BBT is your lowest body temperature (your body temperature at rest) in a 24-hour period. On the day after you ovulate, your BBT will go up slightly, by 0.5 to 1.0 degrees Fahrenheit. It will stay elevated until your next period. It may also dip slightly just before the increase.
Jul 17, 2022 · OPK or BBT? Curious to hear others experiences when they were TTC. I have been doing both OPK tests and measuring my BBT for several months and I’m noticing that I’ll get a positive OPK but then my body temperature won’t spike for sometimes up to 4 days later. . Hash house a go go
A group where you can ask all your BBT related questions! BBT and OPK don't align? So my BBT looks like I O'd three days ago, but my OPK was clearly negative (I check 2-3 times a day during my fertile week), OPK turned strong positive last night... thoughts?EWCM is not an indicator of ovulation, just that it should be happening soon. 2. It could be seminal or arousal fluids if you have BD in the last 12-24 hours. Most women know this but its worth saying as most couples tracking CM are also BD regularly around the time they think they are going to ovulate. 3.Between oversleeping one day, some sleep deprivation, heavy drinking one night, indiscernible OPK results, and using the least-adored BBT on TB, I'm basically just crossing my fingers at this point. Thought the temp would go up today for O yesterday but it went down so I'm hoping O today for pretty good timing. A group where you can ask all your BBT related questions! BBT and OPK don't align? So my BBT looks like I O'd three days ago, but my OPK was clearly negative (I check 2-3 times a day during my fertile week), OPK turned strong positive last night... thoughts?I got my bfp yesterday (yay!!) and If I'm reading my opk/bbt chart right, that's 10dpo. That seems early... does that mean I'm more likely to have twins? Or am i reading it wrong, and I have my dpo wrong? i had a cp last cycle so I'm not sure if that made it wonky.photos: my bfp from yesterday, my bbt...Advertisement ...TWW Buddies! Ovulation 26th August. by NewGirl88. 67. Browse more posts.Jackelbee3. don't bother with any pregnancy tests if your temp starts to decline. It should be elevated after ovulation and will decline steadily if AF is coming. Sounds like you are doing all of the right things. Good luck to you. Charting my BBT along with using the OPK have really helped me a lot. Jacks.For most women, the answer is no. LH rises to tell the body that it is time to ovulate and surges 24-36 hours before the release of an egg. If you don’t see this surge, you probably took the test at the wrong time, ovulated early or late, or are experiencing an anovulatory cycle. Rarely, however, your baseline LH level may be high or low ... A bit over 90% of cycles with a positive OPK are ultimately ovulatory (but not necessarily the day after the positive OPK, as the conventional wisdom would tell you). (EDIT: source here) Overall, no, it’s not necessary to track every possible fertility sign, and if you don’t want to track BBT, then you shouldn’t.rose242. Oct 30, 2017 at 2:30 PM. You’re BBT changes throughout the day and you should only check it first thing in the morning before you get out of bed. since you just had a miscarriage your hormones may not be back to regular yet you could have released a surge making the OPK positive however your body failed to ovulate so your ...Jan 21, 2020 · Cara Guna OPK: boleh start check 2-3 hari selepas period. untuk yang jarang period, disarankan buat BBT (*cara buat BBT ada kat bawah) untuk period yang regular, formula kiraan cycle period – 14 = hari dijangka ovulate. Jadi mula check OPK 2-3 hari sebelum tu. kena check OPK sehingga -ve semula selepas +ve. .