A member asked:

Trying to conceive. period is abnormally light and a week early. also nausea, lightheadness and headaches. pregnant??

A doctor has provided 1 answer

Hard to guess: A urine pregnancy test, done correctly, gives a reliable result 3 weeks after sex (3 weeks after when conception might have occurred), 1 week after missing a period, or 1 week after starting a "weird" period. If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and thus lead to a repeat test.

Answered 9/6/2016

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