[1] Baylor Coll Med, Dept Obstet & Gynecol, Div Maternal Fetal Med, Houston, TX 77030 USA
[2] Texas Childrens Hosp, Houston, TX 77030 USA
[3] Baylor Coll Med, Texas Childrens Fetal Ctr, Div Pediat Surg, Houston, TX 77030 USA
[4] Baylor Coll Med, Michael E DeBakey Dept Surg, Houston, TX 77030 USA
[5] Baylor Coll Med, Dept Obstet & Gynecol, Div Fetal Intervent, Houston, TX 77030 USA
[6] Baylor Coll Med, Dept Obstet & Gynecol, Div Womens & Fetal Imaging, Houston, TX 77030 USA