Can a woman get pregnant if there was precum on the lips of her vagina ? she had sex on the 7th day of her cycle. she has a 28 day cycle.

Unlikely, but...: Life can be full of surprises. A urine pregnancy test gives a reliable result 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a 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. If a woman gets her normal regular period, then she is not pregnant.