liz0012
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Ok, I was positive at OPK this morning and yesterday and now I am negative. IS that normal to be positive for 18 hours and that is it. So is today my 1dpo or tomorrow is?? Thanks!!
Hi Liz.
After you have had your first positive opk you should ovulate around 12-36 hours later. I would guess that you ovulated yesterday which would make you 1 dpo today. And yep, it is normal for a surge to last 18 hours. Some only last 6 hours - others can surge for days. Do you temp? If so that will help you pin point ovulation. Good luck
Thanks for the reply! I think I did o yesterday. I had horrible cramps on the lower left side. I did a opk this morning and it was neg. so I guess today is my 1dpo. Baby dust to you!! XO