Penn Medicine Provider
Dara S. Berger, PhD, HCLD
Penn Fertility Care

About me

  • Director of Assisted Reproductive Technology (ART) Laboratory
  • Clinical Associate Professor of Obstetrics and Gynecology

My Locations

Qualifications and experience

My research

Berger DS, VerMilyea L, Koelper NC, Guardino N, Gracia C Tracking blastocyst utilization rates between paraffin oil and light mineral oil overlay in embryo culture -A two-year retrospective review. Oral , ASPIRE, Singapore: 2025


Guardino N, Weiss MS, Lee IT, Koelper NC Berger DS Assisted Hatching and Clinical Pregnancy Rate Following Fresh Embryo Transfer. , ASRM, Denver, CO: 2024


Tozour J, Lal A, Varrecchione C, Guardino N, Koelper N, Berger D Sperm morphology at insemination: Clinical pregnancy and live birth rates, Poster , ASRM, Denver, CO: 2024


Chrobocinski RS, Chan DM, Koelper NC, Skory R, Gracia CR, Berger DS One-Step warming: Optimizes workflow and efficiency in the IVF laboratory without compromising outcomes, Oral , ASRM, Denver, CO: 2024


Lee IT, Koelper NC, Mainigi MA, Berger DS Racial/Ethnic Variation in ovarian responsiveness to gonadotropin stimulation and outcomes following in vitro fertilization. Poster, , ASRM, Denver, CO: 2024


DiPietro EE, Rosa V, Shan C, Espinoza G, Kolliopoulos D, Koelper NC, MPH2, Berger DS, Richlin SS, Leondires MP From embryo warming to embryo transfer in 3,325 embryo transfers: culture duration can be extended up to nine hours without an effect on clinical pregnancy rates. Poster , ASRM, Denver CO: 2024


DiPietro E, Liebowitz L, Noschese J, Shan C, Koepler N, Richlin S, Leondires M, Berger DS What the vit? Evaluating outcomes in autologous oocyte vitrification and warming cycles. Oral Presentation , Canadian Fertility & Andrology Society, Vancouver, BC: 2024


Humphries LA, Applebaum J, Polite FG, Kravitz E, Gracia CR, Berger DS Influences of race, ethnicity, and other social factors on coronavirus disease 2019 vaccination uptake among patients undergoing in vitro fertilization. , Fertil Steril, 19(24): 2024


Applebaum J, Humphries LA, Kravitz E, Taberski S, Koelper N, Gracia C, Berger DS Impact of coronavirus disease 2019 vaccination on live birth rates after in vitro fertilization. , Fertil Steril, 121(3): 2024,452-459


Reavis HD, Gysler SM, McKenney GB, Knarr M, Lusk HJ, Rawat P, Rendulich HS, Mitchell MA, Berger DS, Moon JS, Ryu S, Mainigi M, Iwanicki MP, Hoon DS, Sanchez LM, Drapkin R. Norepinephrine induces anoikis resistance in high-grade serous ovarian cancer precursor cells. , JCI Insight, 9(5): 2024