You should know the position of your uterus to take some precautions after the intercourse. It is advisable to lie still for at least half-an-hour on your back if you have an anteverted uterus and on your abdomen in the prone position if you have a retroverted uterus
. Do not wash your soft parts with strong solutions as they are going to harm the sperms deposited, just use plain water if you need it. Good luck.