Daniel B Shapiro

No ORCID on file · 3 papers in corpus
observational 2025
Comparison of obstetric outcomes between single and double embryo transfers among singleton live births from vitrified donor oocyte IVF cycles: a cohort study
Journal of gynecology obstetrics and human reproduction ·doi:10.1016/j.jogoh.2025.103020

RESEARCH OBJECTIVE: Among singleton live births resulting from donor oocyte cycles, do perinatal outcomes differ between single (SET) and double embryo transfers (DET)? METHODS: We utilized a retrospective cohort of 610 recipients who had …

observational 2021
When using donor oocytes, does embryo stage matter? An analysis of blastocyst versus cleavage stage embryo transfers using a cryopreserved donor oocyte bank
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-021-02183-4

PURPOSE: Oocyte donor in vitro fertilization (IVF) represents an ideal model to study the effects of embryo stage on reproductive success, as embryos come from young women with high-quality oocytes. Our study aimed to determine if embryo tr…

observational 2014
Progesterone replacement with vaginal gel versus i.m. injection: cycle and pregnancy outcomes in IVF patients receiving vitrified blastocysts
Human reproduction (Oxford, England) ·doi:10.1093/humrep/deu121

STUDY QUESTION: Does the type of luteal support affect pregnancy outcomes in recipients of vitrified blastocysts? SUMMARY ANSWER: Luteal support with vaginal progesterone gel or i.m. progesterone (IMP) results in comparable implantation an…