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A 31-year-old female asked:

My last period was on jan 4. my partner and i had intercourse in jan 12 without any protection and he ejaculated inside. am i at risk in getting preg?

1 doctor answer1 doctor weighed in
Dr. Mark Rausch
Emergency Medicine 24 years experience
Yes: Woman's monthly cycle is measured from the first day of her menstrual period until the first day of her next period. On average, a woman's cycle normally is between 28-32 days, but some women may have much shorter cycles or much longer ones. Ovulation can be calculated by starting with the day the last menstrual period (lmp) starts or by calculating 12-16 days from the next expected period. Most w.

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Last updated Aug 30, 2013

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