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Reproductive and Urinary Physiology Commons™
Open Access. Powered by Scholars. Published by Universities.®
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- Chemicals and Drugs (3)
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- Female Urogenital Diseases and Pregnancy Complications (2)
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Articles 1 - 5 of 5
Full-Text Articles in Reproductive and Urinary Physiology
Assessing Reproductive Health In Zoo-Managed African Elephant Bulls (Loxodonta Africana), Kaitlyn Marie Campbell
Assessing Reproductive Health In Zoo-Managed African Elephant Bulls (Loxodonta Africana), Kaitlyn Marie Campbell
Dissertations and Doctoral Documents, University of Nebraska-Lincoln, 2023–
Populations of zoo-managed African elephant (Loxodonta Africana) exhibit substantial individual- and population-level variation in reproductive success, yet research has largely focused on females, leaving male fertility poorly understood. Subfertility in bulls, characterized by low libido and inconsistent semen quality, poses significant challenges to genetic management and long-term population sustainability. This study a) systematically evaluates semen quality, b) identifies physiological, behavioral, social, and environmental determinants of fertility, and c) advances ex situ conservation through the expansion of the African elephant sperm bank. Between January 2023 and July 2025, 209 semen collection events were conducted from 13 sexually mature bulls …
The Education Prescription: Exploring The Potential Of Patient Education To Reduce Mental Health Issues In Hormonal Contraceptive Users, Maria Abraham
The Education Prescription: Exploring The Potential Of Patient Education To Reduce Mental Health Issues In Hormonal Contraceptive Users, Maria Abraham
Nursing | Senior Theses
The many birth control options available impact a woman’s life, as hormonal contraceptives are commonly used but often misunderstood. These contraceptives, which contain progestin only, or estrogen and progestin combined, can come in various forms such as pills, implants, IUDs, injections, the vaginal ring, and skin patches. They offer benefits such as reduced menstrual cramps and ectopic pregnancy risk. However, they may lead to adverse side effects which can include increased blood pressure, nausea, headaches, breakthrough bleeding, and a higher risk of blood clots, with research indicating a potential link between oral contraceptive use and a decline in the user’s …
Prenatal Androgen Exposure Reduces Ovarian Function, Marlee Weets
Prenatal Androgen Exposure Reduces Ovarian Function, Marlee Weets
All Master's Theses
Polycystic ovary syndrome (PCOS) is the most common reproductive and endocrine disorder, being the leading cause of infertility for females of reproductive age. The etiology of PCOS is not fully known, although it is hypothesized that there is a genetic, epigenetic, and environmental component to the disease. One of the environmental influences that can cause an abnormal reproductive phenotype similar to PCOS is prenatal exposure to excess androgens (male sex hormones). Previous studies have shown that prenatal exposure to androgens in mice can cause a PCOS-like ovarian phenotype similar to people with PCOS. To examine how prenatal androgen exposure causes …
Contraceptive Methods In The United States: The Question Of Abortive Mechanisms, Tara Ferenczy
Contraceptive Methods In The United States: The Question Of Abortive Mechanisms, Tara Ferenczy
Senior Honors Theses
This thesis reviews the many methods of contraception available in the United States. Although society’s understanding of women’s health has become a major topic, there is still a significant deficit of information regarding how the accessible methods affect women’s bodies, specifically reproductive tissue. The thesis analyzes numerous contraceptive options focusing specifically on the mechanisms of action to determine whether options have abortifacient properties so that readers may develop educated opinions regarding medical and ethical uses. Information involving strengths and limitations of each technique and the effects on both the female body and the reproductive material assist in understanding the process …
A Cohort Study Of Reproductive And Hormonal Factors And Renal Cell Cancer Risk In Women, Gc Kabat, Stephanie A. Navarro Silvera, Ab Miller, Te Rohan
A Cohort Study Of Reproductive And Hormonal Factors And Renal Cell Cancer Risk In Women, Gc Kabat, Stephanie A. Navarro Silvera, Ab Miller, Te Rohan
Department of Public Health Scholarship and Creative Works
We examined the association of reproductive and hormonal factors with renal cell cancer risk in a cohort study of 89 835 Canadian women. Compared with nulliparous women, parous women were at increased risk (hazard ratio (HR) 1.78, 95% confidence interval (CI) 1.02–3.09), and there was a significant gradient of risk with increasing levels of parity: relative to nulliparous women, women who had X5 pregnancies lasting 4 months or more had a 2.4-fold risk (HR 1⁄4 2.41, 95% CI 1⁄4 1.27–4.59, P for trend 0.01). Ever use of oral contraceptives was associated with a modest reduction in risk. No associations were …