Is my girlfriend pregnant? shes missing 2 month of her period, we had our last sex last feb 24 and she had period or bleeding last march 15 for 4 day, her stomach is getting bigger, she often experience headaches and backpain and tender breast

Sex makes children: It can be hard to guess whether a woman is pregnant or not. A urine pregnancy test, done correctly, gives a reliable result 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a period, or after having 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.