Ask the Health Educator: Late Period

Question from July 4, 2013

I didn’t get my period last month. I took a pregnancy test last week, it said that I wasn’t pregnant. But I still haven’t got my period yet. I’m worried that I might be pregnant. I don’t feel like I might be. What should I do?


Pregnancy tests can take about 2 weeks after unprotected sex before they give an accurate result. Some symptoms of pregnancy may include nausea, breast tenderness, and fatigue or being tired, but not everyone will experience these symptoms. If you took the pregnancy at least 2 weeks after having unprotected sex, then the negative result likely means you are not pregnant. If you took the pregnancy test less than 2 weeks after unprotected sex, you will need to take another one for a more accurate result.

Some forms of birth control can also cause someone to not have a period. If you are on a method such as the Depo-Provera shot, Nexplanon, or an IUD, not having a period is common and there is no need to worry. One of the great things about using birth control correctly is that even if unprotected sex happens, the person is protected against pregnancy, although they are still at risk for STD’s. If someone is not on birth control and they have unprotected sex, they should take Plan B (also known as the morning after pill) within 72 hours (3 days) to prevent pregnancy. Plan B is available at Teen Matters for FREE as well as your local pharmacy for purchase. If you are not on a method of birth control, you should come into Teen Matters to discuss your options to prevent pregnancy. Birth control is also FREE at Teen Matters.

There could also be other medical reasons as to why a person may have irregular periods. If you continue to not have a period, you may need to make an appointment with a gynecologist to determine what is going on with your body.

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