机译:预防宫颈环扎术的有效性预防早产双胞胎的女性与产科妊娠晚期的历史流产或早产
Hop Robert Debre,Hop Robert Debre, AP HP, Maternite, 48 Blvd Serurier, F-75019 Paris, France;
Premature Obstetric Labor; twin pregnancy; Spontaneous AbortionCervical Cerclagethird trimester pregnancyWomen's GroupsMeta-Analysis;