My cycle has been usually long this time (35 days so far). I got a positive opk on June 13 and my husband and I had sex on the 14th. The opk was negative by the 15th. On the 17th I had light pink spotting and cramping that only lasted a day and a half. I never have pink color. AF always starts brown for me.

Could this have been implantation? Or was it too early? So far I've gotten negative tests at 8 and 9dpo. I've had a headache today and that usually means AF will be here tomorrow.

Just trying to prepare myself for another no this month :/