(Closed) What CD do you get positive OPK??

posted 4 years ago in TTC
Post # 2
228 posts
Helper bee

My cycles were roughly every 26 – 28 days.  I have a 15 day luteal phase.  I am currently almost 23 weeks pregnant.  On the cycle I conceived, I know that I ovulated on CD 10 thanks to charting my BBT.  We did the deed on CD9 and CD11. 

If I went by the myth that every woman with a 28 day cycle should ovulate around CD 14 (halfway through) I would have NEVER become pregnant.  When I was taking OPK’s I always used the digital one that gave a smiley face 🙂  It was always positive a couple of days prior to actually ovulating.


Post # 3
1840 posts
Buzzing bee
  • Wedding: November 2013

soontobemrs1011:  13-17. And AF comes two weeks later, so my cycle varies from 28-32 days.

Post # 4
4038 posts
Honey bee
  • Wedding: August 2013

I O’d anywhere between CD11 and CD19. I also checked my BBT and that’s how I knew when to BD. My daughter is 6 weeks old 🙂

Post # 5
2607 posts
Sugar bee
  • Wedding: May 2009

For the past two or three years, my cycle was 24 days, (I’m currently 18 weeks pregnant, so I don’t have a cycle right now, obviously), and I would regularly ovulate on CD 12, so I would get a positive OPK on CD 11.

Wondfo OPKs are cheap enough, you may want to use them earlier in the cycle so you don’t miss a positive.

Post # 6
1915 posts
Buzzing bee
  • Wedding: August 2013 - backyard in the woods

I get +OPK’s anywhere from CD9-CD12. I usually O CD11, but have O’ed between CD10 and CD12. I have a 15 day LP and 25-27 day cycles.

Post # 7
2149 posts
Buzzing bee
  • Wedding: July 2012

I’ve been charting for 4 cycles now and have O’d, in order, on CD22, CD28, CD22, & CD20.

Post # 8
527 posts
Busy bee
  • Wedding: October 2014

soontobemrs1011:  posting because I’m interested in answers!! Where do you buy your OPK?

Post # 9
6701 posts
Bee Keeper
  • Wedding: September 2011 - Baby boy 12/2015

soontobemrs1011:  My average cycle length is about 40 days. I have a luteal phase of about 14 days, so I tend to ovulate between CD22-CD28. Yep, I have long cycles. I get my first positive OPK a day or two before ovulating. Have you tried to take more than one OPK a day? Sometimes it’s easy to miss the LH surge.

Post # 10
2493 posts
Buzzing bee
  • Wedding: August 2012

I’m in the same boat as candy11 – I have long cycles of 39-40 days, and the past few months I’ve gotten positive OPKs on CD27, CD26 and CD20 (I stopped temping/charting, so my CH are dotted for that one and I could have had a true positive later). My LP is generally 13 days.

Post # 11
8379 posts
Bumble Beekeeper
  • Wedding: August 2012

I O pretty late, usually around day 19-20 and I have 30-32 day cycles.

If you don’t see a positive this month I’d start earlier next time.

I buy the Wondfo OPKs from amazon.

Post # 12
473 posts
Helper bee
  • Wedding: May 2018

I got + OPKs between CD16-19. I had a short luteal phase of 9-10 days. 

Post # 13
8679 posts
Bumble Beekeeper
  • Wedding: October 2013

generally CD12-13, but i’ve gotten as early as 10 and late as 15.

my cycle ranges from 24-28 days.

Post # 15
229 posts
Helper bee
  • Wedding: July 2013

soontobemrs1011:  You’re ovulating sometime in the next 48 hours…I’d say go for the next 3 days 🙂  More often than 24 hours leads to weaker sperm / lower count I’ve read…..

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