I had sex 5 days ago and my period a week ago. I was on the shot…

…and it made my period irregular. I just got my period again. I don’t know if it’s my actual period or spotting relating to pregnancy. The color is brownish. What does this mean?

If you had unprotected sex, you may be at risk for pregnancy. The shot or Depo-Provera is 97-99.7% effective at preventing pregnancy for 3 months. If you had sex when you were current on your shot (you received the injections on time, every time) you are protected from pregnancy. If you had sex without a condom while you were not on the shot, it’s a good idea to take a pregnancy test at home or at Teen Clinic. As you’ve experienced, one of the side effects of Depo-Provera is irregular bleeding. If you are unhappy with these side effects, make an appointment with your doctor or at Teen Clinic for a consult about other birth control options. And remember – hormonal birth control methods do not prevent the transmission of STIs. Getting tested for STIs is another recommended safer sex practice.

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