Lihong Qi

PURPOSE: There is a consistent relationship with greater ovulation frequency and increased risk of ovarian cancer. However, prior research on infertility, which may be associated with ovulation frequency through multiple mechanisms, and ova…

BACKGROUND: There has been limited prior research on the association between infertility and risk of colorectal cancer. METHODS: Data from postmenopausal women in the Women's Health Initiative were used to estimate the association between …

BACKGROUND: Several studies have suggested an association between infertility and risk of endometrial cancer. However, most studies have evaluated this relationship in premenopausal people, yet the mean age of endometrial cancer is 60 years…

Hysterectomy is associated with an increased risk for adverse health outcomes. However, its connection to the risk of non-Hodgkin's lymphoma (NHL) remains unclear. The aims of our study were to investigate the associations between hysterect…

PURPOSE: Although infertility (i.e., failure to conceive after ≥ 12 months of trying) is strongly correlated with established breast cancer risk factors (e.g., nulliparity, number of pregnancies, and age at first pregnancy), its association…

PURPOSE: Menopausal hormone therapy (MHT) use induces alterations in circulating estrogens/estrogen metabolites, which may contribute to the altered risk of reproductive tract cancers among current users. Thus, the current study assessed as…

Evidence suggests European American (EA) women have two- to five-fold increased odds of having pelvic organ prolapse (POP) when compared with African American (AA) women. However, the role of genetic ancestry in relation to POP risk is not …

OBJECTIVE: Most studies suggest that hysterectomies are more common in African American women than in other ethnic groups. To assess this ethnic surgical disparity in a novel way, our main goal was to determine whether admixture (the propor…