Maybe a month or a few weeks.
it takes a girl until after a missed period and a hpt or a trip to the docter before she knows she is pregnant .. but a missed period is definetely a huge sign .
2 weeks
It can take up to 48 hours for the process of pregnancy to begin.
A few weeks to a month, every girl is different.
3 months
2-3 weeks
A person can now find out if they are pregnant before even a period is missed.
It takes one sperm cell to get a girl pregnant
how do you know when ones pregnant?well, it useually takees the male to get the female pregnant about 2 weeks. You know when shes pregnant by getting bigger in the stomach and wiggleing in the stomach, and shes eating more
ask her.. if she says that she doesn't know then calmly ask her to take a test.. good luck!
She has to take a test.