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Why Is My Period Late?

Published: August 16, 2016
Dear TeenHealthFX,
I'm late on my period but he never ejaculated. Why would I be late? I'm 16 and I had sex for the first time about a month ago and we had sex three times with a condom. Every times had sex he never came. He said he never came and I could tell that he never did because there was no difference in his action. I'm now 9 days late on my period and I'm not sure if I could be late or just miss it. Does sex push a period back? The last time we had sex was a couple of days before I was suppose to start. I'm just really nervous if there could be something wrong or if it's just normal.
Signed: Why Is My Period Late?

Dear Why Is My Period Late?,

There are several reasons other than pregnancy that could explain why your period is late. Teens can have a late period or can skip a period for any of the following reasons:

  • Periods can be irregular during the first few years of menstruation
  • Stress
  • Weight loss
  • Diet
  • Over-exercising

 

If you used a condom each and every time you had sex, it is more likely that your period is late due to one of the reasons stated above rather than because of pregnancy. However, if you did have unprotected sex at any time and your period is late, TeenHealthFX would recommend that you take a pregnancy test. Even if a man does not ejaculate during unprotected sex, it is possible for pregnancy to occur due to the presence of sperm in pre-ejaculatory fluids.

Again, it is most likely your period is late for reasons other than pregnancy if you always used a condom during sex. However, you could always take a pregnancy test if it would ease your mind.

FX also recommends the following:

  • Doctors generally recommend that teens who are sexually active use condoms each and every time they have sex to protect against the transmission of STDs and unwanted pregnancies, as well as a back-up method of birth control, such as the pill or birth control shot. If you are going to continue to be sexually active, FX recommends speaking to your primary care physician, adolescent medicine specialist or gynecologist about the best birth control methods for you. If you are worried about cost or confidentiality issues, you could always go to a Planned Parenthood clinic.
  • Read through the articles Menstrual Periods and Your Period for more information on menstruation.
  • Check out the links in our Resource of the Month, Planned Parenthood Resources on Safer Sex to get information about sexual readiness, how pregnancy happens, birth control, emergency contraception, pregnancy tests, pregnancy options and STDs.

 

If you don't have a doctor and live in northern New Jersey, you can call the Adolescent/Young Adult Center for Health at 973-971-5199 for an appointment with an adolescent medicine specialist or contact your local teen health center or Planned Parenthood. You can also contact your insurance company for a list of in-network providers.

Signed: TeenHealthFX

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