Knowledge of Early Pregnancy

At child -bearing age and with regular menstrual cycles, woman who is 10 days overdue of her menstruation could be suspected as cyesis. In the early trimester of pregnancy, soma's secretion of estrogen, progestogen and choriogonadotrophin keep the cyesis smooth during the development of amphicytula, implantation of cyema, formation of placenta. The variation of these kinds secretion generates a series of reaction of the mother nuclide. 6 weeks after menelipsis, dizziness, debilitation, saliva, anepithymia, inclining to like acid food and dislike greasiness, Nauseated, morning vomit and other symptoms can occur frequently. That is called morning sickness. But usually, all those symptoms will disappear naturally after 12 weeks of p regnancy. Ubers gradual enlargement causes gravida light gas pains of Uber and nipple ache. Frequent micturition was brought about by compression of accrescent uterus on bladder inside pelvic cavity. But after 12 weeks, this symptom also will disappear, as a result of ingression of corpus uteri into cavum abdominis without compression on bladder any more. Cyophoric test can be used as a auxiliary diagnosis for early pregnancy.