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Barry R Witt, M.D.

Associate Professor; Medical Dir Greenwich Fertility Ctr
Department of Obstetrics and Gynecology (Obs/Gyn)
NYU Fertility Center

Clinical Addresses

55 Holly Hill Lane
Suite 217
Greenwich, CT 06830
Hours: Mon. 8 - 5; Tue. 8 - 5; Wed. 8 - 5; Thu. 8 - 5; Fri. 8 - 5; Sat. 8 - 11
Handicap Access: yes
Phone: 203-863-2990
Fax: 203-863-2980

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Medical Specialties

Obstetrics/Gynecology, Gynecology

Medical Expertise

Invitro Fertilization, Recurrent Pregnancy Loss, Female Reproductive Disorders/Infertility, Reproductive Endocrinology

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Board Certification

1991 — Ab Obstetrics & Gynecology - Obstetrics & Gynecology
1992 — Ab Obstetrics & Gynecology (Reproduc Endocrin & Infertility)


1980-1984 — New York Medical College, Medical Education
1984-1988 — Albert Einstein College of Medicine (OB-GYN), Residency Training
1988-1990 — Tulane University (Reproductive Endo.), Clinical Fellowships

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All data from NYU Health Sciences Library Faculty Bibliography — -


Reply of the Authors: Less may, indeed, be less: multicollinearity in studies of ovarian reserve
Pal L.; Jindal S.; Witt B.R.; Santoro N.F.
2009 ;91(5):e17-e18, Fertility & sterility
— id: 99002, year: 2009, vol: 91, page: e17, stat: Journal Article,

Less is more: increased gonadotropin use for ovarian stimulation adversely influences clinical pregnancy and live birth after in vitro fertilization
Pal, Lubna; Jindal, Sangita; Witt, Barry R; Santoro, Nanette
2008 Jun;89(6):1694-1701, Fertility & sterility
— id: 94336, year: 2008, vol: 89, page: 1694, stat: Journal Article,

Postthaw blastomere survival is predictive of the success of frozen-thawed embryo transfer cycles
Pal, Lubna; Kovacs, Peter; Witt, Barry; Jindal, Sangita; Santoro, Nanette; Barad, David
2004 Oct;82(4):821-826, Fertility & sterility
— id: 138405, year: 2004, vol: 82, page: 821, stat: Journal Article,

Day 6 estradiol level predicts cycle cancellation among poor responder patients undergoing in vitro fertilization-embryo transfer cycles using a gonadotropin-releasing hormone agonist flare regimen
Kovacs, Peter; Witt, Barry R
2002 Jul;19(7):349-353, Journal of assisted reproduction & genetics
— id: 42944, year: 2002, vol: 19, page: 349, stat: Journal Article,

Hypothalamic-pituitary suppression with oral contraceptive pills does not improve outcome in poor responder patients undergoing in vitro fertilization-embryo transfer cycles
Kovacs P; Barg PE; Witt BR
2001 Jul;18(7):391-394, Journal of assisted reproduction & genetics
— id: 42945, year: 2001, vol: 18, page: 391, stat: Journal Article,

Multiple pregnancies and assisted reproductive technologies
Barad DH; Witt BR
2000 Mar;9(2):101-107, Journal of women's health & gender-based medicine
— id: 42946, year: 2000, vol: 9, page: 101, stat: Journal Article,

Treatment of hematotrachelos after dilatation and curettage. A case report
Witt BR
1999 Jan;44(1):68-70, Journal of reproductive medicine
— id: 42948, year: 1999, vol: 44, page: 68, stat: Journal Article,

Aspirin and reproductive performance?
Witt BR; Cohen BL
1999 Oct;72(4):752-3; author reply 754, Fertility & sterility
— id: 42947, year: 1999, vol: 72, page: 752, stat: Journal Article,

Colony stimulating factor-1 in human follicular fluid
Witt BR; Pollard JW
1997 Aug;68(2):259-264, Fertility & sterility
— id: 42949, year: 1997, vol: 68, page: 259, stat: Journal Article,

Levels of interferon-gamma and tumor necrosis factor-alpha in sera and cervical mucus of fertile and infertile women: implication in infertility
Naz RK; Butler A; Witt BR; Barad D; Menge AC
1995 Jul;29(2):105-117, Journal of reproductive immunology
— id: 42950, year: 1995, vol: 29, page: 105, stat: Journal Article,

Basal serum follicle stimulating hormone (FSH) and estradiol levels as predictors of pregnancy in unstimulated donor insemination cycles
Witt BR; Barad DH; Barg P; Cohen BL; Lindheim SR; Testaiuti L; Amin HK
1995 Mar;12(3):157-160, Journal of assisted reproduction & genetics
— id: 42951, year: 1995, vol: 12, page: 157, stat: Journal Article,

Potential limiting factors in resident training for laparoscopic management of ectopic pregnancies
Wolf GC; Witt BR; Padgett CD
1994 Aug;1(4 Pt 1):317-320, Journal of the American Association of Gynecologic Laparoscopists
— id: 42952, year: 1994, vol: 1, page: 317, stat: Journal Article,

Management of endometriosis in women older than 40 years of age
Witt BR; Barad DH
1993 Jun;20(2):349-363, Obstetrics & gynecology clinics of North America