Johnstone E

No ORCID on file · 8 papers in corpus · active 2011-2025

Condition tags

  • infertility 3
2025
Target trial emulation of preconception serum vitamin D status on fertility outcomes: a couples-based approach.
Fertility and sterility ·doi:10.1016/j.fertnstert.2024.08.332

ObjectiveTo evaluate associations between preconception 25-hydroxyvitamin D (25(OH)D) levels and biomarkers in female and male partners on live birth (LB), pregnancy loss, and semen quality.DesignSecondary analysis using the folic acid and …

2023
Primary ovarian insufficiency has strong familiality: results of a multigenerational genealogical study.
Fertility and sterility ·doi:10.1016/j.fertnstert.2022.09.027

ObjectiveTo determine the familiality of primary ovarian insufficiency (POI) at population level through examination of multigenerational genealogical information linked to electronic medical records.DesignCase-control study.SettingNot appl…

2022
Effect of chemotherapy on the uterus of young adult cancer survivors.
F&S reports ·doi:10.1016/j.xfre.2022.05.008

ObjectiveTo investigate the impact of chemotherapy on the uterus.DesignCross-sectional pilot study.SettingSingle university fertility clinic.PatientsTwelve patients with a history of alkylating agent chemotherapy exposure after Hodgkin lymp…

2020
Effect of Folic Acid and Zinc Supplementation in Men on Semen Quality and Live Birth Among Couples Undergoing Infertility Treatment: A Randomized Clinical Trial.
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…

2020
Patient perspectives and experiences with in vitro fertilization and genetic testing options.
Therapeutic advances in reproductive health ·doi:10.1177/2633494119899942

ObjectiveDecision-making and patient experiences with embryo selection during in vitro fertilization often include genetic testing options. The purpose of this study was to gain insight about the experiences and perspectives of women using …

2017
Female infertility, infertility-associated diagnoses, and comorbidities: a review.
Journal of assisted reproduction and genetics ·doi:10.1007/s10815-016-0836-8

PurposeThe purpose of the study is to evaluate existing literature for possible associations between female infertility, infertility-associated diagnoses, and the following areas of disease: psychiatric disorders, breast cancer, ovarian can…

2012
A characterization of the relationship of ovarian reserve markers with age.
Fertility and sterility ·doi:10.1016/j.fertnstert.2011.10.031

ObjectiveTo identify markers of ovarian age that best match the pattern of oocyte loss seen in histology specimens.DesignCross-sectional study.SettingUniversity.Patient(s)Caucasian women (n = 252) aged 25-45 years.Intervention(s)none.Main o…

2011
A lower antral follicle count is associated with infertility.
Fertility and sterility ·doi:10.1016/j.fertnstert.2011.01.151

ObjectiveTo determine whether infertile women have lower antral follicle counts (AFC) than age-matched normal women.DesignCase-control.SettingAcademic center.Patient(s)A total of 881 infertile women and 771 women from the community.Interven…