The incidence of breast cancer is often associated with geographic variation which indicates
that a person's surrounding environment can be an important etiological factor in cancer …

Breast cancer is the most common cancer among US women and its incidence increases
with age. Endogenous estrogen exposure, proliferative benign breast disease, breast …

Many factors, including reproductive hormones, have been linked to a woman's risk of
developing breast cancer (BC). We reviewed the literature regarding the relationship …

Millions of women have given preference to the use of combined oral contraceptives (COCs)
since its introduction in the 1960s. Both oestrogens and progestogens can regulate …

This review aims to summarize and assess key studies investigating the relationship
between hormonal contraception and breast cancer risk. Approximately two-thirds of breast …

Progestins used in hormonal contraceptives and menopausal hormone therapy (MHT) have
been linked to increased breast cancer risk. Whether the association holds for all progestins …

Background It is important to monitor the association between menopausal hormone therapy
(HT) use and breast cancer (BC) risk with contemporary estimates, and specifically focus on …

Progestins have multiple uses in reproductive healthcare, including contraception,
menstrual suppression, endometrial protection, and hormonal replacement therapy. The …

Women are more likely to be misdiagnosed and suffer the adverse effects of new
therapeutics compared to men. These types of findings were the impetus for mandates from …

Objective To explore the risk of breast cancer associated with menopausal hormone therapy
(MHT), including the various progestogens used today. Methods The study included …