Description of Research Expertise
Sequencing, genotyping, haplotype and diplotype analysis, Western blot, histology including immunofluorescence and in situ hybridization, cDNA cloning, ICM biopsy
Selected Publications
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): 452-459,2024.
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.
Academic Contact Information
PENN Fertility Care
3701 Market Street, 8th Floor
Philadelphia,
PA
19104
Phone: 215-349-5202