JohnCNulsenMD

Obstetrics & Gynecology • Farmington, CT

Reproductive Endocrinology & Infertility

Director, The Center for Advanced Reproductive Services

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Office
2 Batterson Park Road
Farmington, CT 06032
Phone+1 844-467-3483

Fax+1 860-470-7584
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Education & Training

University of Pennsylvania Health SystemFellowship, Reproductive Endocrinology and Infertility, 1985 - 1987
University of Pennsylvania Health SystemResidency, Obstetrics and Gynecology, 1980 - 1984
Case Western Reserve University School of MedicineClass of 1980

Certifications & Licensure

CT State Medical License 1987 - 2025
PA State Medical License 1982 - 1988
American Board of Obstetrics and Gynecology Obstetrics & Gynecology
American Board of Obstetrics and Gynecology Reproductive Endocrinology/Infertility

Awards, Honors, & Recognition

Best Doctors in America Best Doctors
Top Doctors Connecticut Magazine
America's Top Obstetricians and Gynecologists Consumer's Research Council of America
Top MD Consumers Checkbook
Fellow (FACOG) American Congress of Obstetricians and Gynecologists
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Clinical Trials

A Comparison of the Microdose Leuprolide Protocol vs. Luteal Phase Ganirelix Protocol in Women Who Are or Who Are Predicted to be Low Responders Start of enrollment: 2006 Jul 01
Completed
The Effects of Physiologic Oxygen Tension on Clinical In Vitro Fertilization Outcomes Start of enrollment: 2010 Mar 01
Completed
Phase 3

Publications & Presentations

PubMed

1 citations
Macroprolactinemia: a mini-review and update on clinical practice.
Katherine Koniares, Claudio Benadiva, Lawrence Engmann, John Nulsen, Daniel Grow> ;F&S Reports. 2023 Sep 1
The association of obesity with euploidy rates in women undergoing in vitro fertilization with preimplantation genetic testing.
Stephanie Hallisey, Reeva Makhijani, Jeffrey Thorne, Prachi Godiwala, John Nulsen, Claudio Benadiva, Daniel Grow, Lawrence Engmann> ;Journal of Assisted Reproduction and Genetics. 2022 Nov 1
6 citations
Pregnancy outcomes after frozen-thawed embryo transfer using letrozole ovulation induction, natural, or programmed cycles.
Prachi Godiwala, Reeva Makhijani, Alison Bartolucci, Daniel Grow, John Nulsen, Claudio Benadiva, James Grady, Lawrence Engmann> ;Fertility and Sterility. 2022 Oct 1
1 citations
Embryologic outcomes among patients using a microfluidics chip compared to density gradient centrifugation to process sperm: a paired analysis.
Prachi Godiwala, Emilse Almanza, Jane Kwieraga, Reeva Makhijani, Daniel Grow, John Nulsen, Claudio Benadiva, Alison Bartolucci, Lawrence Engmann> ;Journal of Assisted Reproduction and Genetics. 2022 Jul 1
3 citations
Reduction in multiple pregnancy rate in donor oocyte-recipient gestational carrier (GC) in vitro fertilization (IVF) cycles in the USA with single-embryo transfer and ...
Reeva Makhijani, Madeline Coulter, Prachi N. Godiwala, David M. O’Sullivan, John Nulsen, Lawrence Engmann, Claudio Benadiva, Daniel R. Grow> ;Journal of Assisted Reproduction and Genetics. 2021 Mar 11
31 citations
Impact of trophectoderm biopsy on obstetric and perinatal outcomes following frozen-thawed embryo transfer cycles.
Reeva Makhijani, Chantal Bartels, Prachi N. Godiwala, A. Bartolucci, A. Diluigi, John Nulsen, Daniel R. Grow, Claudio Benadiva, Lawrence Engmann> ;Human Reproduction. 2021 Jan 25
2 citations
In vitro fertilization outcomes after preimplantation genetic testing for chromosomal structural rearrangements comparing fluorescence in-situ hybridization, microarra...
Chantal Bartels, Reeva Makhijani, Prachi N. Godiwala, A. Bartolucci, John Nulsen, Daniel R. Grow, Lawrence Engmann, Claudio Benadiva> ;F&S Reports. 2020 Sep 25
30 citations
Maternal and perinatal outcomes in programmed versus natural vitrified-warmed blastocyst transfer cycles
Reeva Makhijani, Chantal Bartels, Prachi N. Godiwala, Alison Bartolucci, John Nulsen, Daniel Grow, Claudio Benadiva, Lawrence Engmann> ;Reproductive Biomedicine Online. 2020 Aug 1
5 citations
Pregnancy outcomes after frozen-thawed single euploid blastocyst transfer following IVF cycles using GNRH agonist or HCG trigger for final oocyte maturation
Reeva Makhijani, Jeffrey L. Thorne, Chantal Bartels, A. Bartolucci, John Nulsen, Daniel R. Grow, Claudio Benadiva, Lawrence Engmann> ;Journal of Assisted Reproduction and Genetics. 2020 Jan 2
2 citations
Independent serum markers of corpora lutea function after gonadotropin-releasing hormone agonist trigger and adjuvant low dose human chorionic gonadotropin in in vitro...
L.A. Kaye, Daniel Griffin, Jeffrey L. Thorne, Evelyn Neuber, John Nulsen, Claudio Benadiva, Lawrence Engmann> ;Fertility and Sterility. 2019 Sep 1
19 citations
Euploidy rates between cycles triggered with gonadotropin-releasing hormone agonist and human chorionic gonadotropin
Jeffrey L. Thorne, A.J. Loza, L.A. Kaye, John Nulsen, Claudio Benadiva, Daniel R. Grow, Lawrence Engmann> ;Fertility and Sterility. 2019 Aug 1
15 citations
The window is wide: flexible timing for vitrified-warmed embryo transfer in natural cycles.
Chantal Bartels, Lauren Ditrio, Daniel R. Grow, David M. O’Sullivan, Claudio Benadiva, Lawrence Engmann, John Nulsen> ;Reproductive Biomedicine Online. 2019 Aug 1
42 citations
Longitudinal profiling of human blood transcriptome in healthy and lupus pregnancy
Seunghee Hong, Romain Banchereau, Bat Sheva L. Maslow, Marta M. Guerra, Jacob Cardenas, Jeanine Baisch, D. Ware Branch, T. Flint Porter, Allen D. Sawitzke, Carl A. Las...> ;The Journal of Experimental Medicine. 2019 May 6
13 citations
Low dose human chorionic gonadotropin administration at the time of gonadotropin releasing-hormone agonist trigger versus 35 h later in women at high risk of developin...
Lawrence Engmann, B.-S. Maslow, L.A. Kaye, Daniel Griffin, A. Diluigi, D. Schmidt, Daniel R. Grow, John Nulsen, Claudio Benadiva> ;Journal of Ovarian Research. 2019 Jan 26
1 citations
In vitro fertilization with granulosa cell tumor: a report of two cases.
Tiffany Phyoe-Battaglia, Chantal Bartels, John Nulsen, Daniel R. Grow> ;Journal of Assisted Reproduction and Genetics. 2018 Aug 9
26 citations
Frozen blastocyst transfer outcomes in immediate versus delayed subsequent cycles following GnRH agonist or hCG triggers
L.A. Kaye, Audrey Marsidi, Puja Rai, Jeffrey L. Thorne, John Nulsen, Lawrence Engmann, Claudio Benadiva> ;Journal of Assisted Reproduction and Genetics. 2018 Jan 3
2 citations
The dual trigger study: Rationale and study design of a prospective double-blind randomized clinical trial comparing pregnancy rates after co-administration of low dos...
Daniel Griffin, Claudio Benadiva, Tara Budinetz, C.M. Sueldo, A. Diluigi, John Nulsen, Lawrence Engmann> ;Contemporary Clinical Trials Communications. 2017 Dec 1
60 citations
Freeze-only versus fresh embryo transfer in a multicenter matched cohort study: contribution of progesterone and maternal age to success rates.
Ange Wang, Anthony C. Santistevan, Karen Hunter Cohn, Alan B. Copperman, John Nulsen, B.T. Miller, Eric Widra, Lynn M. Westphal, Piraye Yurttas Beim> ;Fertility and Sterility. 2017 Aug 1
1 citations
Detection of an Inherited Deletion in Products of Conception in a Patient With Recurrent Losses and Normal Karyotype
Jeffrey Thorne, Alicia Craffey, John Nulsen> ;Obstetrics and Gynecology. 2017 Jul 1
15 citations
Old habits die hard: retrospective analysis of outcomes with use of corticosteroids and antibiotics before embryo transfer.
L.A. Kaye, Chantal Bartels, Alison Bartolucci, Lawrence Engmann, John Nulsen, Claudio Benadiva> ;Fertility and Sterility. 2017 Jun 1
35 citations
Pregnancy rates for single embryo transfer (SET) of day 5 and day 6 blastocysts after cryopreservation by vitrification and slow freeze.
L.A. Kaye, Erica Anspach Will, Alison Bartolucci, John Nulsen, Claudio Benadiva, Lawrence Engmann> ;Journal of Assisted Reproduction and Genetics. 2017 May 12
24 citations
Increasing awareness of age-related fertility and elective fertility preservation among medical students and house staff: a pre- and post-intervention analysis
Erica Anspach Will, Bat-Sheva L. Maslow, L.A. Kaye, John Nulsen> ;Fertility and Sterility. 2017 May 1
15 citations
Utilization of fertility treatment and reproductive choices by lesbian couples
Olivia J. Carpinello, Mary Casey Jacob, John Nulsen, Claudio Benadiva> ;Fertility and Sterility. 2016 Dec 1
7 citations
Correlation of normal-range FMR1 repeat length or genotypes and reproductive parameters
Bat-Sheva L. Maslow, Stephanie Davis, Lawrence Engmann, John Nulsen, Claudio Benadiva> ;Journal of Assisted Reproduction and Genetics. 2016 May 17
Occult abnormal pregnancies after first post–embryo transfer serum beta-human chorionic gonadotropin levels of 1.0–5.0 mIU/mL
Bat-Sheva L. Maslow, A. Bartolucci, C.M. Sueldo, Lawrence Engmann, Claudio Benadiva, John Nulsen> ;Fertility and Sterility. 2016 Apr 1
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Professional Memberships

American College of Obstetricians and Gynecologists
Fellow