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A 20-year-old female asked:

No symptoms but missed period, due a month ago. i took four pregnancy tests using first response. all negative. recent sharp uterus cramps. pregnant?

2 doctor answers2 doctors weighed in
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Trust the test: Home pregnancy tests are very accurate. They are the same tests used in a doctor's office. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. If you doubt the result you can repeat it in 1-2 days. If you were pregnant the hormone level would rise enough for detection.
Dr. Heidi Fowler
Psychiatry 25 years experience
Agree w Dr. : Livingston. Accept the - result. Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems.

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Last updated Nov 24, 2013

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