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You are Here: BBT Chart Gallery > HELP! Determing ovulation with OPK
Don't like what you see on this chart?I've been charting this month, and I'm supposed to be ovulating around CD 13. Here's my question. If I'm using an OPK, from what I understand, you should ovulate within 24-36 hours after detecting your LH surge. I didn't detect it this morning, but if I detect it tomorrow (on CD 13) does that mean I should mark CD 14 as my ovulation day, or would I chart it as CD 13? I'm very confused, since the OPK tells you when you're about to ovulate, not when you're actually ovulating. And should I be testing twice a day (am & pm) or is once a day enough? Help! 5/17/2008-6/14/2008 (estimated 29 day cycle)
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| Phase | Follicular Phase | Luteal Phase (DPO) | | | Cycle Day | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | | Day | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | | Day of Week | S | S | M | T | W | T | F | S | S | M | T | W | T | F | S | S | M | T | W | T | F | S | S | M | T | W | T | F | S | S | | DPO Day | | | | | | | | | | | | | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | | Waking Temp | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |  | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |  | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | | 3 | 3 | 3 |  |  | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |  | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | | 9 |  | 9 | 9 | 9 |  |  |  |  |  | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | | 8 | 8 |  | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 |
Symptoms Chart |
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| Phase | Follicular Phase | Luteal Phase (DPO) | | | Cycle Day | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | | Day | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | | Day of Week | S | S | M | T | W | T | F | S | S | M | T | W | T | F | S | S | M | T | W | T | F | S | S | M | T | W | T | F | S | S | | Period |  |  |  |  |  |  | | | | | | | | | | | | | | | | | | | | | | | |  | | Ovulation | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Intercourse | | | | | | |  | |  | | |  | | | | | | | | | | | | | | | | | | | | Doc Apt | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AF (heavy) |  |  |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AF (light) | | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | AF (spotting) | | | | |  |  | | | | | | | | | | | | | | | | | | | | | | | | | | breast tenderness | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | cramps | |  |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | headache |  | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HPT | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IUI | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | nausea | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | OPK | | | | | | | | | | |  |  | | | | | | | | | | | | | | | | | | | | preseed | | | | | | |  | |  | | |  | | | | | | | | | | | | | | | | | | | | spotting | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | take Femara | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | trigger injection (HCG) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Comments
hopefulTXgal
asked on 5/28/2008 8:00:17 AM
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I've been charting this month, and I'm supposed to be ovulating around CD 13. Here's my question. If I'm using an OPK, from what I understand, you should ovulate within 24-36 hours after detecting your LH surge. I didn't detect it this morning, but if I detect it tomorrow (on CD 13) does that mean I should mark CD 14 as my ovulation day, or would I chart it as CD 13? I'm very confused, since the OPK tells you when you're about to ovulate, not when you're actually ovulating. And should I be testing twice a day (am & pm) or is once a day enough? Help!
ceb1
said on 5/28/2008 8:17:50 AM
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i tried out the answer opk and i just used fmu & got my surge detected last month. but, everyone is different, so maybe 2xs isnt a bad idea. if you get a + on the opk, a day or 2 after you should see a rise in your temp. the low temp beforehand will be your O day. hope this helps:-)
baby dust*******
hopefulTXgal
said on 5/28/2008 8:25:04 AM
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It does, thanks. My worry is that I had a rise in temperature on CD 11, but didn't start testing until that day. Does that mean I could've O'd on CD 10 and I missed it? Surely I didn't O that early...see why I'm so confused? Lol!
ceb1
said on 5/28/2008 10:07:59 AM
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i bet you havent yet. i could definitely see you getting a + within the next few days though. how long have you been charting? do you know your typical O schedule?
hopefulTXgal
said on 5/28/2008 10:14:23 AM
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I charted a few months last year, so I don't remember when it was. We did an IUI last month, and I had a trigger injection on CD 13, so that forced me to ovulate the next day. This is my first time charting this detailed, so I'm hoping that I'm doing it right. It's helps to have the ability to keep track of all your symptoms. I think I'll test at night too. Is it possible to not have a surge in the morning but have one that night?
Sharshun
said on 5/28/2008 10:23:44 AM
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I think testing twice a day is a good idea. You definitely could see a surge in the PM that you didn't see in the AM. Good luck!
hopefulTXgal
said on 5/28/2008 4:46:08 PM
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Thanks ladies. Hopefully I get a surge tonight or tomorrow morning. DH and I are only supposed to BD every 36 hours or so because of a low sperm count (funny how we give away so much information about our husbands on here...lol) so I'm trying to time everything out. We BD'd this morning, so I'm hoping that if we wait until tomorrow night, we should catch it right around the time it happens. I can't believe how much thought has to go into this! After everything we have to go through with charting, temping, testing...I can't believe that most people get pregnant just by BDing any time the mood strikes them!
ceb1
said on 5/29/2008 8:16:04 AM
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i wonder that all the time!!
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