A member asked:

Forgot to take last pill of month on fri, took plan b mon morning. should have started period tues, haven't. normal for it to be late b/c of timing?

A doctor has provided 1 answer

Dr. Lori Poling answered

Pill: It is normal for it to be late or missed totally. Plan b is a progestin meaning it acts like Progesterone in your body. In the menstrual cycle, Progesterone decreases right before menses occurs. Also usually after your last pill, then the progestin drops. Because you just took a high dose progestin it may think it shouldn't have a period yet. Hence the late, possibly missed period, .

Answered 6/30/2014

5.1k views

Thank

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.

Get Virtual Care

For Businesses

About Us

HealthTap Online Primary Care Doctors Accepting New Patients

A member asked:

Forgot to take last pill of month on fri, took plan b mon morning. should have started period tues, haven't. normal for it to be late b/c of timing?

A doctor has provided 1 answer

Dr. Lori Poling answered

Related Questions

A member asked:

I still haven't gotten my period, i'm 11 days late now. I haven't been sexually active since december. I did take a Plan B pill in june of last year.

A member asked:

I took the Morning after pill 2 days after my last period in January. Its feb and im a week late. Is this normal? taken 3 home pregtests all -ve.

A member asked:

I had sex on the last day of my period. took plan b. I had bleeding for 4 days after the pill. late this month, is it normal to miss period from pill?

A member asked:

I am 2 days late and my boyfriend and i had unprotected sex and he ejaculated inside me. Should i take test or Plan B pill i might be pregnant from earlier this month, my last period was 2 days late , and lasted 6 days

A member asked:

I ve unprotected sex on 27 last month but taken morning after pill within 24 hrs and my periods should come on 4-5 of this month bt are late with cramps mood swings and sore breasts. i dont had pms earlier and my periods are quite normal. what now??

Sponsored Content

People also searched for:

Hi,i need advice.Last month on Aug18 i took plan b pill and i was bleeding few days and then on Aug 24 i took another plan b pill.My period is late 7 days already and its always normal.Yesterday morning i did pregnancy test and its negative?

I missed one pill and started spotting but not due for a period. I take pills so I have a period every 3 mons. What do I do; how long does spotting?

Had baby 3 Mons ago. Had period when she was 2 Mons and this period is 2 days late. Is it normal to miss period after having baby?

Having abdomnal pain often my period has been late for tha last 4 mons one time I was a whole 16 days late.My period is only last 2 days is this a pro

2 negative blood tests and 1 positive hpt. I'm on mirena (levonorgestrel) for 3 1/2 yrs now with regular periods that last 6 days. Never late,am late for 2 mons, why?

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

Didn't find what you're looking for?

More of what we treat

Allergies

Antibiotics

Asthma

High Blood Pressure

Prescriptions

Type 2 Diabetes

For Businesses

Company

Health Content

Join Us

Download HealthTap

Questions?