How big of a drop and rise in temperature is considered a possible implantation dip? I’ve had around a 99 temp since ovulation. Yesterday, (10DPO) my temp dropped to around 98.1. Today, it’s back up to 98.9. Is this a good sign? I’m trying not to get my hopes up.

This is my first cycle of clomid and I couldn’t get a true positive opk. Close, but not a true, hard positive. I had very little fertile cm too, but I did use preseed. I did have the immediate raise in temp, sore breasts, etc., right after my closest positive opk test, but no positive test in combo with the little cm makes me think I didn’t ovulate. I’ve always received a positive opk each month, but my husband and I have been trying for over a year with no success, so my doctor put me on the clomid. I’m hoping that I might have ovulated despite my troubles with opks and cm and these temp readings are a good sign.