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Will Having Sex For The First Time Change The Female Body?

Published: 27 February, 2011
Dear TeenHealthFX,
When having sex your first time does the Female body change? Will it effect your Menstrel cycle? Change the dates of bleeding? Change your Hormones? Ive heard of girls missing their period after their first time is this because of Hormones?
Signed: Will Having Sex For The First Time Change The Female Body?

Dear Will Having Sex For The First Time Change The Female Body?,

 

The main two ways that having sex for the first time (or anytime) could affect a female’s body is if the female becomes pregnant as a result of having sex, or if the female transmits a sexually transmitted disease (STD) as a result of having sex. It is important to remember that abstaining from sexual contact is the only way to protect yourself 100% from these two things. If you choose to become sexually active, then speak to your doctor prior to any kind of sexual activity to make sure you are well-educated about how to best protect yourself from unwanted pregnancies and the transmission of STDs, as well as to ensure that you are practicing the best methods of safer sex for you to protect yourself from these two things. (Generally condoms and a back-up method of birth control, such as the pill, are recommended for teens and young adults who choose to be sexually active – but your doctor can advise the best methods for you).

Having sex will generally only affect your menstrual cycle and hormones if you have become pregnant as a result of having sex. Girls who have missed their periods after their first time having sex (or any time having sex) may very well be pregnant. Once pregnant, they will not have periods during their pregnancy and there will be hormonal changes that may affect them in various ways.

A girl might also miss her period following sex not because she is pregnant, but simply because she has an irregular menstrual cycle. Irregular cycles are common in girls just beginning to menstruate – it is not a direct cause of having sex for the first time. Girls will generally start to menstruate anywhere from 10-15 years old. Many girls find that for the first year or two of menstruation their cycles are irregular, they miss a period, or the flow of their period is different from month to month. Again, this is not a result of having sex, but just the body basically adjusting to all the changes going on with puberty in full swing.

 

TeenHealthFX wants to leave you with the following thoughts and recommendations:

·         It is possible for a female to become pregnant and/or to transmit an STD if they are sexually active, whether it is the 1st time or the 100th time they are having sex (or any time in between). That said, if you are thinking about becoming sexually active, please speak to your doctor before engaging in any kind of sexual activity to ensure you are using the best safer sex methods for you to protect against unwanted pregnancies and the transmission of STDs.

·         Sex can affect your body, but it can also affect your emotional health and your relationship with your partner. Before having sex, think about whether you are truly ready for that step as an individual and speak with your partner to find out if you are truly ready as a couple.

·         Meet with your doctor if you notice any of the following about your period: it lasts longer than a week, you have to change your pad or tampon frequently (soaking through more than 1 every 1-2 hours), it has been more than 3 months between your periods, you have bleeding in between your periods, you have significant pain before or during your period, your periods were regular and then became irregular, you had sex and then missed your next period.  

·         If you have been sexually active and experience a missed period, or have any other physical symptoms that are unusual or concern you, speak with your doctor to find out if you may be pregnant or if STD testing would be a good idea.

 

If you don't have a doctor and live in northern New Jersey, you can call the Adolescent/Young Adult Center for Health at 973-971-6475 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.

If you need to find a free pregnancy testing center, you can call 866-942-6466. If this is an unplanned pregnancy, you can call 1-800-672-2296. And if you are pregnant, but have no medical insurance, you can call 1-800-450-0183.

For more information on these topics, see Planned Parenthood’s webpages on Puberty for Girls, Am I Ready for Sex?, and Myths and Facts About Sex, as well as the Center for Young Women’s Health webpages on Are You Ready For Sex?, Pregnancy Facts, Sexually Transmitted Disease and Other Infections, and Menstrual Periods.

Signed: TeenHealthFX

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