Ok so glow said my fertility window are 30th of October - 5th of November I have been BD since the the 30th I have took opk the other day and it was positive but since last nite I have been cramping and 2day I have been cramping I had a headache since this morning and was a little nauseous this afternoon I saw online that you could the some of the early signs can start in a few days after the egg is Fertile but some ppl dnt realize it because it's way to early.... has anyone felt this way b4 this will be my #1 bby so I'm not sure what to expect