Pregnancy is unfavorable apolaustic sexual life is gravid in 3 months, placenta has not been formed completely, embryonic organization is returned on adherent Yu Gongbi not quite firm, ..

• 孕期不宜放纵性生活妊娠3个月之内；胎盘还没有完全形成；胚胎组织附着于宫壁上还不够牢固；...