What is considered day 3?!?!

Natalie

Okay ladies, I need help!

I am new to my fertility journey and honestly...Its alot!!

I had my first consult and my doctor ordered day 3 bloodwork. But my question is....how do you calculate day 3? This may seem like an easy answer but like...I just primarily started tonight at 7pm......is this day 1? Or is day 1 tomorrow where I have full bleeding all day?

Any help or support would be greatly appreciated.

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