Hi ladies, I am on cd 20, yesterday i had some pinky spotting only when i whipe but at night i had a…

Hi ladies,

I am on cd 20, yesterday i had some pinky spotting only when i whipe but at night i had a brown spotting continued till now.

I am on clomid 100mg round #1.

What could it be? IB? Or early AF? Or maybe clomid side effects?