If it a normal period, sometimes bleeding may stop due to the hormone that is released during the intercourse. Pregnancy
is not possible during menstruation
and this is the safest time for intercourse, leaving aside the risk of pelvic infections due to the vulnerability of the parts during menstruation. Coagulated semen can appear as white material when mixed with vaginal discharge
. Please see a specialist for a proper evaluation and further suggestions. Take care.