User profiles for "author:Leo Han"

Leo Han

Assistant Profesor, Oregon Health and Science University
Verified email at ohsu.edu
Cited by 720

[HTML][HTML] Association between menstrual cycle length and coronavirus disease 2019 (COVID-19) vaccination: a US cohort

A Edelman, ER Boniface, E Benhar, L Han… - Obstetrics & …, 2022 - journals.lww.com
OBJECTIVE: To assess whether coronavirus disease 2019 (COVID-19) vaccination is
associated with changes in cycle or menses length in those receiving vaccination as …

Cervical mucus and contraception: what we know and what we don't

L Han, R Taub, JT Jensen - Contraception, 2017 - Elsevier
Objectives Cervical mucus varies in response to both natural and artificial hormonal
changes. It is commonly believed that cervical mucus thinning is associated with normal …

[HTML][HTML] Association between menstrual cycle length and covid-19 vaccination: global, retrospective cohort study of prospectively collected data

A Edelman, ER Boniface, V Male, ST Cameron… - BMJ …, 2022 - ncbi.nlm.nih.gov
Association between menstrual cycle length and covid-19 vaccination: global, retrospective
cohort study of prospectively collected data - PMC Back to Top Skip to main content NIH NLM …

Preventing repeat pregnancy in adolescents: is immediate postpartum insertion of the contraceptive implant cost effective?

L Han, SB Teal, J Sheeder, K Tocce - American journal of obstetrics and …, 2014 - Elsevier
Objective The objective of the study was to determine the cost-effectiveness of a hypothetical
state-funded program offering immediate postpartum implant (IPI) insertion for adolescent …

Impact of coronavirus disease 2019 (COVID‐19) vaccination on menstrual bleeding quantity: an observational cohort study

BG Darney, ER Boniface… - … Journal of Obstetrics …, 2023 - Wiley Online Library
Objective To assess whether coronavirus disease 2019 (COVID‐19) vaccination impacts
menstrual bleeding quantity. Design Retrospective cohort. Setting Five global regions …

[PDF][PDF] Does the progestogen used in combined hormonal contraception affect venous thrombosis risk?

L Han, JT Jensen - Obstetrics and gynecology clinics of North America, 2015 - Elsevier
Hormonal contraception remains one of the most important contributions to women's health
in the last century. The birth control pill has dramatically changed the medical, social …

Functional evaluation of the cystic fibrosis transmembrane conductance regulator in the endocervix

L Han, M Roberts, A Luo, S Wei… - Biology of …, 2022 - academic.oup.com
The cystic fibrosis transmembrane conductance regulator (CFTR) is an apical membrane
chloride/bicarbonate ion channel in epithelial cells. Mutations in CFTR cause cystic fibrosis …

Do menstrual cups increase risk of IUD expulsion? A survey of self-reported IUD and menstrual hygiene product use in the United States

AN Schnyer, JT Jensen, A Edelman… - The European Journal of …, 2019 - Taylor & Francis
Purpose: To gather preliminary data about menstrual hygiene product use and associated
risk of intrauterine device (IUD) expulsion. Materials and methods: We conducted an Internet …

[HTML][HTML] The abortion web ecosystem: cross-sectional analysis of trustworthiness and bias

L Han, ER Boniface, LY Han, J Albright, N Doty… - Journal of medical …, 2020 - jmir.org
Background: People use the internet as a primary source for learning about medical
procedures and their associated safety profiles and risks. Although abortion is one of the …

[HTML][HTML] Mechanism of action of a 0.075 mg norgestrel progestogen-only pill 2. Effect on cervical mucus and theoretical risk of conception

L Han, MD Creinin, A Hemon, A Glasier, MJ Chen… - Contraception, 2022 - Elsevier
Objective To evaluate the cervical mucus effects of a norgestrel 0.075 mg progestin-only
contraceptive pill over a 28-day cycle. Study Design We recruited persons ages 18 to 35 …