U.S. doctors online nowAsk doctors free
A 23-year-old female asked:

I had sex and took a plan b the day after. then i had sex again but did not take a plan b. i bled a week later for 15 days even though i had just had a period before i had sex the first time. now my period is a week late. could i be pregnant?

1 doctor answer2 doctors weighed in
Dr. Robert Kwok
Pediatrics 35 years experience
Hard to guess: Plan B can alter the menstrual bleeding for the cycle in which Plan B was taken, and sometimes the next cycle too. One should be sure to check a home pregnancy test about 3 weeks after sex, because Plan B works most of the time, but not all the time.
Created for people with ongoing healthcare needs but benefits everyone.

Related questions

A 29-year-old female asked:
Had period June 3. Had unprotected sex June 13 . Took Plan B June 15 had period one day now period due it's two days late and no sign. Pregnant?
Dr. Liesa Harte
Family Medicine 31 years experience
I doubt it: So you did have a period with the Plan B? You would reset your cycle more or less at that point. If in doubt, do a pregnancy test, but it does not s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Friend had sex day before period and condom slipped inside of her. She took Plan B but is now 5 days late with mild cramping, could she be pregnant?
Dr. Robert Killian
General Practice 30 years experience
Can she be pregnant?: There is no way to know by the history you describe. Most likely not. But, once a period is late it is time to get the facts and stop wondering. It i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
View all answers
A 20-year-old female asked:
Last month period was a week early. Now its late. (Day 35). Have Lots of stress but also had sex last month & took Plan B. Is it Pregnancy or stress?
Dr. Diane Minich
Family Medicine 39 years experience
Plan b can alter: periods, But since you are late this month do a pregnancy test/
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
I took Plan B 2 days in a row after 2 sex acts. then i had a period a week after. had unprotected sex again & now am late on my period. pregnant?
Dr. Tanya Russo
Pediatrics 27 years experience
Test accuracy: Modern urine pregnancy tests sold in drugstores are very accurate when used properly. Most report accuracy as early as the first day after a missed p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
I take BC. Sex a week ago. Period was on time & on it now. It was heavy for 2 days, 3rd is pinkish. Usually bleed heavy for 3. Could I be pregnant?
Dr. Mary David
Specializes in Obstetrics and Gynecology
Unlikely: It is unlikely if you have been taking you pills right. Over time periods tend to become lighter on pills. If in doubt, do a pregnancy test to be sure... Read More
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Sep 5, 2020

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.