The reasons were related to emotion, weary, internal damage of food and drink, common cold, constipation, induced abortion, irregular menses and englobement of estrogens.
Results Among the reasons of haemorrhage caused by miscarriage,not entire mismarriage is the most main reason,the deformed birgh canal and extrauterine pregnancy are the next.
The aim of this work was to illuminate the difference of immunological reaction between intraspecific and interfamily pregnancy and to primarily grope for the possible reasons of i.