For a sperm to pregnate the egg, it has to travel around 7-8 cm . So if you get up after 15-20 minutes, most of the semen comes out. Anyway for semen to become thin so that sperms can travel freely you have to lie for 30 minutes. To get
pregnant, another 6-7 hour
Next Steps
Don’t get up after inter course. Keep on lying
Health Tips
If semen flows out, can place a pillow below hips