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Irregular Bleeding after taking plan B.

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I have a question about side effects of taking Plan B. I was intimate with a man and when I realized that there was no protection I made him stop. There was no ejaculation. To be on the safe side I decided to take Plan B. One week later I had started bleeding which I read to be normal. About 3 weeks later I did end up getting my period as normal. I took 2 HPT 2 days prior to getting my normal cycle more or less to calm my nerves. am still experiencing tenderness in my breasts and also slight cramping. I am worried that my hormones are out of control or maybe an ectopic pregnancy? Any advice?

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Category: Family Physician-GP
 30 Doctors Online


Plan B is a substitute of the human estrogen called levenorgesterol and prevent the implantation of the fertilized ovum on the uterus. As you have already taken a urine pregnancy test and you have already had you periods its unlikely that you are pregnant but the chances of ectopic does exist. It may cause irregular bleeding or spotting, heavy or prolonged bleeding, or your menstrual bleeds to stop altogether .This is a part of the contraception and usually becomes better over time.

I would suggest you the following.

1) Buy a Urine pregnancy test kit form the drug store and check if you are pregnant 15 days later. If it is positive, make an appointment for a USG to detect uterine or ectopic pregnancy.

2) Always use a method of contraceptive if you are not looking to get pregnant. You can either use barrier method like Condom or Diaphragm or a hormonal method like Oral contraceptive. Both are equally efficacious.

3) There is a slightly increased chance of thrombosis of the veins hence maintain a good and regular regimen of exercise and eat healthy

Thank you.

Dr. John Monheit
Category: Family Physician-GP
Residecny: North Colorado Family Medicine
Medical School: The Chicago Medical Center
Dr. John Monheit and 4 other Medical Specialists are ready to help you

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