Bradley J. Van Voorhis

ORCID: 0000-0002-1455-0164 · 12 papers in corpus
2021
F&S reports ·doi:10.1016/j.xfre.2020.10.011

ObjectiveTo compare the effects of initial elective single embryo transfer (ieSET) and initial double embryo transfer (iDET) strategies on the cumulative live birth rate (CLBR) and perinatal outcomes after IVF.DesignRetrospective cohort stu…

2021
F&S reports ·doi:10.1016/j.xfre.2021.02.005

ObjectiveTo determine if weight or body mass index (BMI) affects the serum progesterone level at the time of the pregnancy test in cryopreserved blastocyst transfer cycles and to determine if those serum progesterone levels affect live birt…

2020
JAMA ·doi:10.1001/jama.2019.18714

ImportanceDietary supplements marketed for male fertility commonly contain folic acid and zinc based on limited prior evidence for improving semen quality. However, no large-scale trial has examined the efficacy of this therapy for improvin…

2019
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-018-1333-z

PurposeTo evaluate the risk of prematurity and infant mortality by maternal fertility status, and for in vitro fertilization (IVF) pregnancies, by oocyte source and embryo state combinations.MethodsWomen in 14 States who had IVF-conceived l…

2015
American journal of obstetrics and gynecology ·doi:10.1016/j.ajog.2015.02.005

ObjectiveThe purpose of this study was to use a validated prediction model to examine whether single embryo transfer (SET) over 2 cycles results in live birth rates (LBR) comparable with 2 embryos transferred (DET) in 1 cycle and reduces th…

2015
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-015-0495-1

PurposeTo assess human fertilization and preimplantation embryo development in the presence and in the absence of carbon filtrationMethodsThis is a retrospective cohort analysis of fresh, controlled ovarian hyperstimulation cycles as well a…

article 2008
·doi:10.1016/j.fertnstert.2008.07.1415
article 2008
·doi:10.1097/aog.0b013e31817d452b

OBJECTIVE: To discover early hormonal predictors of menopause and the stages of the menopausal transition and to understand the hormonal basis behind the bleeding abnormalities common in the menopausal transition. METHODS: A cohort of 804 w…

review 2008
Seminars in reproductive medicine ·doi:10.1055/s-2008-1076140

Few would argue that the introduction of transvaginal ultrasound (TVUS) revolutionized the practice of assisted reproduction. For example, full-bladder follicular scanning and laparoscopic oocyte retrievals were converted to TVUS-guided pro…

review 2006
Obstetrics and gynecology ·doi:10.1097/01.aog.0000237163.98010.b3

In Brief Imaging should be considered in adolescents with severe dysmenorrhea resistant to medical therapy because adenomyosis is a potential etiology in this age group.

review 1997
Journal of Reproductive Immunology ·doi:10.1016/s0165-0378(97)00025-9

The role that autoantibodies play in infertility remains uncertain. There are conflicting data regarding the prevalence of autoantibodies in women with endometriosis. Certainly no one has demonstrated an association between the presence of …

article 1990
American journal of obstetrics and gynecology ·doi:10.1016/s0002-9378(11)90667-x

Prostaglandin H synthase, also known as cyclooxygenase, is an essential enzyme in prostaglandin synthesis. Using a monoclonal antibody and immunohistochemical techniques, we studied the localization of this enzyme in the female reproductive…