HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

What are the chances of pregnancy if you missed only two birth control pills (taken in 8-12 hrs after needed) & then taking plan b 15 hours after sex?

2 doctors weighed in across 2 answers
Dr. Lori Semel answered

Specializes in Pediatrics

Not likely: There is always a risk, but in this case, it is small.

Dr Fowler agreed

Answered 9/10/2017

3.8k views

Thank
Dr. Heidi Fowler answered

Specializes in Psychiatry

Very low: Plan B One Step can reduce chance of pregnancy by up to 95% if used within 24 hours.

Answered 9/10/2017

553 views

Thank

Related Questions

A member asked:

If you take junel 1/20 birth control on time everyday but miss one what is the percentage chance of pregnancy?

A doctor has provided 1 answer

A member asked:

Did I miss my period because I took Plan B a few weeks ago and started birth control last week? Took 2 pregnancy tests, both negative.

A doctor has provided 1 answer

A member asked:

Spotting red and brown 5 days before my period. Didn't miss any birth control pills this month. I have slight cramps. Could it be pregnancy? Or what?

A doctor has provided 1 answer

A member asked:

Miss my period because I change birth control. No withdrawal bleed in two weeks. Pregnancy test negative. Now having painful intercourse.

A doctor has provided 1 answer

A member asked:

My gf missed 5 days of her birth control this month she has taken two prenancy tests both negative but now 6 days late on period any ideas?

5 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I missed a birth control pill Friday, took one Saturday, and miss another Sunday. I have been active during this time. What are chances of pregnancy?
I'm on a birth control pill, an it's regular to miss you period sometimes. I missed mine two times in a row. What are symptoms of early pregnancy?
I'm on birth control &i take them regularly & don't miss any. I had sex a week before my period and got it the next week on time. Pregnancy chance?
What happens if I miss a birth control pill in the 3rd week, take it the next day as soon as I remember, then continue my pack like normal (including the 4th week)? Will that mess with my period? Are there chances of pregnancy?
If i happen to be pregnant and I am taking birth control will it hurt the baby? I am late on my period which has never happened in my life- I am taking tri-sprintec birth control and have for a very long time. I never miss a pill. I took a pregnancy tes

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
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.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.