FASLG and Miscarriage: Despite the possible role of DM and their FasL expression in regulating apoptosis in normal pregnancy and spontaneous miscarriages, there is always the fundamental question whether the increased apoptosis noted in spontaneous miscarriages is part of the mechanism leading to embryonic death or whether embryonic death is the one triggering apoptosis as a scavenger process against the remains of the trophoblast.