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Katherine Connolly


  • Associate Professor, Ob/Gyn, Reproductive Sciences
  • Medical Director, Prenatal Diagnostic Center
  • Perinatologist


Dr. Katherine Connolly is a perinatologist, a doctor who specializes in high-risk pregnancies, prenatal diagnoses of disorders or complications, and prenatal ultrasound. She performs chorionic villus sampling and amniocentesis, prenatal tests that screen for genetic abnormalities.

Connolly earned her medical degree from the Icahn School of Medicine at Mount Sinai, where she also completed a residency in obstetrics and gynecology, and a fellowship in maternal-fetal medicine.

Connolly is a member of the Society for Maternal-Fetal Medicine and American College of Obstetricians and Gynecologists.

Education & Training

  • Icahn School of Medicine at Mount Sinai Maternal-Fetal Medicine
  • Icahn School of Medicine at Mount Sinai Obstetrics and Gynecology
  • Icahn School of Medicine at Mount Sinai


  • Rekawek P, Stone JL, Robles B, Connolly KA, Bigelow CA, Tudela F, Bianco AT. Pain perception during transabdominal chorionic villus sampling: a randomized trial comparing topical ethyl chloride anesthetic spray and lidocaine injection. J Matern Fetal Neonatal Med. 2021 Feb; 34(3):339-345. PubMed
  • Connolly KA, Vieira L, Yoselevsky EM, Pan S, Stone JL. Variation in Cervical Length over Time during a Single Transvaginal Ultrasound Examination. Am J Perinatol. 2019 07; 36(8):781-784. PubMed
  • Gallagher LT, Gardner B, Rahman M, Schoen C, Connolly KA, Hankins GD, Saade GR, Saad AF. Cervical Ripening Using Foley Balloon with or without Oxytocin: A Systematic Review and Meta-Analysis. Am J Perinatol. 2019 03; 36(4):406-421. PubMed
  • Connolly KA, Kohari KS, Factor SH, Rekawek P, Miller MR, Smilen BS, Stone JL, Bianco AT. A Randomized Trial of Foley Balloon Induction of Labor Trial in Multiparas (FIAT-M). Am J Perinatol. 2017 09; 34(11):1108-1114. PubMed
  • Connolly KA, Kohari KS, Rekawek P, Smilen BS, Miller MR, Moshier E, Factor SH, Stone JL, Bianco AT. A randomized trial of Foley balloon induction of labor trial in nulliparas (FIAT-N). Am J Obstet Gynecol. 2016 Sep; 215(3):392.e1-6. PubMed
  • Connolly KA, Factor SH, Getrajdman CS, Bigelow CA, Weintraub AS, Stone JL. Maternal clinical disease characteristics and maternal and neonatal outcomes in twin and singleton pregnancies with severe preeclampsia. Eur J Obstet Gynecol Reprod Biol. 2016 Jun; 201:36-41. PubMed
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