Anytime you have unprotected sex, there is the risk of pregnancy. However, the amount of risk does depend on your time within your menstrual cycle.
It is common for women to have cramping prior to starting their period. Some women may have other signs of premenstrual syndrome (PMS), too, like breast tenderness, moodiness, and tiredness. Usually over the counter medications like Tylenol, Ibuprofen or Midol help decrease these discomforts.
If you are within the last few days of your menstrual cycle, meaning about 7 days prior to your period, your risk of pregnancy is decreased. (But not zero!) This is the time within the menstrual cycle when most women are least fertile.
If your next period is more than 1 week late, do a pregnancy test.
19. February 2012
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