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What Causes Late Periods After Usage Of Plan B In Previous Cycle?

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Posted on Tue, 7 Oct 2014
Question: Hello. My SO and I had unprotected sex about a month ago. I took plan B the following day. We had sex multiple times after that through the following week. We used a condom on most occasions but on a couple, we didn't. He didn't ejaculate in me. After taking the plan B (about 3 days later) I had bleeding. It lasted about 3 or 4 days and felt like a normal period. I am now a week late for my period. During the week that I was supposed to have my period, I had period like symptoms but it never started. Now I'm a week late and I'm still experiencing weird symptoms. I have gas and cramping after eating, my breasts are slighty sore. I've take multiple home pregnancy tests, they've all been negative. I'm concerned.
doctor
Answered by Dr. Aarti Abraham (6 minutes later)
Brief Answer:
PLAN B CAN CAUSE MENSTRUAL DELAY

Detailed Answer:
Hello
Thanks for writing to us with your health concern.
Do not be concerned.
With multiple negative pregnancy tests, you are not pregnant.
Do you always have regular cycles ?
The reason for the delay in your cycles is the Plan B.
It can prepone or postpone periods by upto a week or more.
Wait it out, you should have a period in the coming week.
All the best.
Please feel free to discuss further.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Aarti Abraham (12 hours later)
Is it normal to be having cramps and gas after eating, nausea on and off during the day, white discharge, and tender breasts? Ive been having those s/s for the past 2 weeks (week i was supposed to start period and following week).
doctor
Answered by Dr. Aarti Abraham (32 minutes later)
Brief Answer:
COULD BE PMS

Detailed Answer:
These could be premenstrual symptoms, as you are about to have your period.
Note: Revert back with your gynae reports to get a clear medical analysis by our expert Gynecologic Oncologist. Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Aarti Abraham

OBGYN

Practicing since :1998

Answered : 6004 Questions

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What Causes Late Periods After Usage Of Plan B In Previous Cycle?

Brief Answer: PLAN B CAN CAUSE MENSTRUAL DELAY Detailed Answer: Hello Thanks for writing to us with your health concern. Do not be concerned. With multiple negative pregnancy tests, you are not pregnant. Do you always have regular cycles ? The reason for the delay in your cycles is the Plan B. It can prepone or postpone periods by upto a week or more. Wait it out, you should have a period in the coming week. All the best. Please feel free to discuss further.