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A member asked:
Why is my period short (2 days) if i have two negative pregnancy tests 18 days after sex? i had unprotected sex 18 days ago, had a two day period that started very heavy then lighter but two negative pregnancy tests?
2 doctors weighed in across 2 answers
Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx
Answered 12/24/2021
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There is a wide range of normal for periods and you should treat this as a normal period and see what your cycles are like going forward. Use effective birth control if you do not wish to get pregnant. Home pregnancy tests would definitely be positive if you conceived from sex 18 days ago.
Answered 12/25/2021
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