A member asked:

My period came 5 days early, sunday. only lasted 2 days, light to none the 3rd day. i was sexually active in the beginning of my fertile window and once toward the end. can a blood test taken on wednesday be a false negative? cycle supposed to friday?

A doctor has provided 1 answer
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

You probably worry about implantation bleeding, not an early period. Three days after implantation, blood test should be positive for pregnancy. If you are not sure then you can double check with a urine pregnancy test this Sunday. Take care.

Answered 10/5/2023

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