Faculty

Institution

Unit

Venue

Leo L. Han, M.D., M.P.H.

Associate Professor of Obstetrics and Gynecology Affiliate Associate Professor Oregon National Primate Research Center

Oregon Health & Science University

Affiliations

OHSU School of Medicine

Department Of Obstetrics And Gynecology

Division Of Reproductive And Developmental Sciences

Leo L. Han, M.d., M.p.h. is currently serving as an Obstetrics And Gynecology Associate Professor of Obstetrics and Gynecology Affiliate Associate Professor Oregon National Primate Research Center at Oregon Health & Science University.

Honors

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Experiences

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Education

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Leo L. Han, M.D., M.P.H.

Oregon Health & Science University

Associate Professor of Obstetrics and Gynecology Affiliate Associate Professor Oregon National Primate Research Center

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gynecology reproductive health women's health obstetrics and gynaecology reproductive medicine sexual and reproductive health maternal health hormonal contraceptives obstetrics public health pharmacology epidemiology fertility abortion preventive medicine cervical mucus covid-19 vaccination communicable diseases covid-19 pandemic maternal complications preventive healthcare sexual health cellular physiology vaccine efficacy female reproductive system high-risk pregnancies maternal-fetal medicine reproductive science molecular physiology medical internet research femtech oral contraceptives cell physiology sexual medicine online information mammalian biology fertility tracking trust management endocytic pathway membrane transport cannabis legalization cannabis use menstrual cycle ovarian hormones reproductive ethics coronavirus disease 2019 national survey hiv acquisition hormonal regulation covid-19 vaccination venereology thrombosis internet economics retrospective cohort studies teenage pregnancy venous thrombosis data trust trust privacy drug safety fertility policy addiction treatment social networks postreproductive health women's rights feminist perspectives menstrual cycle length repeat pregnancy contraceptive implant cost immediate postpartum insertion menstrual bleeding quantity observational cohort study increase risk iud expulsion united states abortion web ecosystem health services research family planning family medicine global health pediatrics rural health assisted reproduction pediatric nursing health equity medical sociology reproductive endocrinology health law health planning primary care sex education health education education policy population health obstetric anesthesia educational management health sciences health policy nurse education medical systems international health education health systems medical education pregnancy hypertension midwifery sex research health care health economics infertility nursing science

Notable Scholarly Works

Notable Federal Grants

Collaborators

A Novel Technique for Transcervical Biopsy of the Myometrium. Biology of Reproduction (2026)

transcervical biopsydiagnosissurgical pathologyurogynecologygynecologyanatomical pathologygynecological surgery

Cervical Mucus Viscoelasticity and Sperm Velocity Are Correlated and Concentration-Dependent in Vitro. UNC Libraries (2026)

Treatment of Unfavorable Bleeding Patterns in Contraceptive Implant Users With Tranexamic Acid: Randomized Clinical Trial. American Journal of Obstetrics and Gynecology (2026)

hormonal contraceptivesgynecologyunfavorable bleeding patternsmedicinecontraceptive implant userstranexamic acid

Association of Willingness to Use Hormonal Contraception With Knowledge: A National Survey. Contraception (2025)

health policypublic healthhealth communicationhormonal contraceptionhormonal contraceptiveswomen's healthpreventive medicineoral contraceptivesnational surveyreproductive healthfemtechsexual health

Cervical Mucus Viscoelasticity and Sperm Velocity Are Correlated and Concentration-Dependent in Vitro. bioRxiv (Cold Spring Harbor Laboratory) (2025)

reproductive biologyfertilityfertilisationhuman reproductionrheologyreproductive physiologydevelopmental biologycervical mucus viscoelasticitybiomedical engineeringsemen analysissperm velocityreproductive scienceandrologybiomechanics

In Vitro Inhibition of the Cftr Ion Channel in the Macaca Mulatta Cervix Thickens Cervical Mucus. Biology of Reproduction (2025)

cell physiologycftr ion channelcystic fibrosisphysiologyelectrophysiologycellular physiologycervical mucusdevelopmental biologyvitro inhibitiontissue (biology)

Association Between Menstrual Cycle Pattern Regularity and Changes in Menstrual Bleeding Following Covid-19 Vaccination: Secondary Analysis of an Observational Study. BMJ Sexual & Reproductive Health (2024)

menstrual bleedingepidemiologyvaccine efficacyvaccineswomen's healthvaccine safetyvaccinationcovid-19 vaccinationobservational studygynecologycommunicable diseasescovid-19covid-19 pandemicpublic health preparedness

Association of Body Mass Index on Time to Fetal Expulsion for Individuals Undergoing Medication Abortion Over 13 Weeks Gestational Duration. Contraception (2024)

pediatricsbody compositionmaternal-fetal medicinewomen's healthbody mass indexfetal expulsionabortionreproductive healthgynecologyfetal medicinemedication abortionobstetricsmaternal complicationshigh-risk pregnanciesmaternal healthhealth sciencesobstetrics and gynaecology

Common Misperceptions and Public Knowledge About Intrauterine Devices Among Us-Based Online Respondents. Contraception (2024)

health communicationpublic knowledgeus-based online respondentsmedical internet researchreproductive healthgynecologyobstetricsmaternal complicationscommon misperceptionsfamily medicinematernal healthobstetrics and gynaecology

Copper Levels in Cervical Mucus of Copper Intrauterine Device Users Versus Non‐Users. International Journal of Gynecology & Obstetrics (2024)

pediatricsfertilitycopper levelswomen's healthreproductive healthcervical mucusgynecologyobstetricsreproductive medicinematernal healthobstetrics and gynaecology

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Leo L. Han, M.D., M.P.H.

Associate Professor of Obstetrics and Gynecology Affiliate Associate Professor Oregon National Primate Research Center

Oregon Health & Science University

Affiliations

OHSU School of Medicine

Department Of Obstetrics And Gynecology

Division Of Reproductive And Developmental Sciences

Honors

Create free account to unlock more features

Experiences

Create free account to unlock more features

Education

Create free account to unlock more features

Leo L. Han, M.D., M.P.H.

Oregon Health & Science University

Associate Professor of Obstetrics and Gynecology Affiliate Associate Professor Oregon National Primate Research Center

You can click a keyword to filter the displayed items

Notable Scholarly Works

Notable Federal Grants

Collaborators

A Novel Technique for Transcervical Biopsy of the Myometrium. Biology of Reproduction (2026)

transcervical biopsydiagnosissurgical pathologyurogynecologygynecologyanatomical pathologygynecological surgery

Cervical Mucus Viscoelasticity and Sperm Velocity Are Correlated and Concentration-Dependent in Vitro. UNC Libraries (2026)

Treatment of Unfavorable Bleeding Patterns in Contraceptive Implant Users With Tranexamic Acid: Randomized Clinical Trial. American Journal of Obstetrics and Gynecology (2026)

hormonal contraceptivesgynecologyunfavorable bleeding patternsmedicinecontraceptive implant userstranexamic acid

Association of Willingness to Use Hormonal Contraception With Knowledge: A National Survey. Contraception (2025)

health policypublic healthhealth communicationhormonal contraceptionhormonal contraceptiveswomen's healthpreventive medicineoral contraceptivesnational surveyreproductive healthfemtechsexual health

Cervical Mucus Viscoelasticity and Sperm Velocity Are Correlated and Concentration-Dependent in Vitro. bioRxiv (Cold Spring Harbor Laboratory) (2025)

In Vitro Inhibition of the Cftr Ion Channel in the Macaca Mulatta Cervix Thickens Cervical Mucus. Biology of Reproduction (2025)

cell physiologycftr ion channelcystic fibrosisphysiologyelectrophysiologycellular physiologycervical mucusdevelopmental biologyvitro inhibitiontissue (biology)

Association of Body Mass Index on Time to Fetal Expulsion for Individuals Undergoing Medication Abortion Over 13 Weeks Gestational Duration. Contraception (2024)

Common Misperceptions and Public Knowledge About Intrauterine Devices Among Us-Based Online Respondents. Contraception (2024)

Copper Levels in Cervical Mucus of Copper Intrauterine Device Users Versus Non‐Users. International Journal of Gynecology & Obstetrics (2024)

pediatricsfertilitycopper levelswomen's healthreproductive healthcervical mucusgynecologyobstetricsreproductive medicinematernal healthobstetrics and gynaecology

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6
10 / page