CONTEXT Reproductive hormones are incompletely characterized during the menopause transition (MT). HYPOTHESIS Increased anovulation and decreased progesterone accompany progress through the MT. DESIGN The Daily Hormone Study (DHS) of the Study of Women's Health Across the Nation (SWAN) included 848 women aged 43-53 yr at baseline who collected daily urine for one cycle or up to 50 d annuall...

Introduction Polychlorinated biphenyls (PCBs), organic lipophilic pollutants that accumulate through diet and increase with age, have been associated polycystic ovary syndrome (PCOS) shown to affect microRNA (miRNA) expression. This work aimed determine if PCBs were circulating miRNAs whether there any correlations serum PCB/miRNA levels hormonal changes. Methods 29 non-obese PCOS healthy contr...

Anovulatory cycles are a symptom and not a disease. Polycystic ovary syndrome, pituitary microadenoma, impaired GnRH release, and hypothyroidism are common etiologies for anovulation and should be excluded. Patients can present with amenorrhea which needs etiology-specific treatment or with acute dysfunctional uterine bleeding which might need emergency treatment. Emergency treatment can be eit...

Anovulatory cycles are a symptom and not a disease. Polycystic ovary syndrome, pituitary microadenoma, impaired GnRH release, and hypothyroidism are common etiologies for anovulation and should be excluded. Patients can present with amenorrhea which needs etiology-specific treatment or with acute dysfunctional uterine bleeding which might need emergency treatment. Emergency treatment can be eit...

Dengue and dengue hemorrhagic fever are mosquito-borne viral diseases that coincide with the distribution of Aedes aegypti (L.), the primary vector in the tropical and semitropical world. With no available vaccine, controlling the dengue vector is essential to prevent epidemics. The effects of the insect growth regulator pyriproxyfen on Ae. aegypti adults that survived a treatment with a sublet...

Most adolescent gynecological problems are related to sexual activity or the development or failure of hypothalamic-pituitary-ovarian-uterine activity. The 1st years of menstruation are usually anovulatory resulting in variable periods of amenorrhea which corrects itself in time. In profuse menstrual loss, endocrine, metabolic, and hemorrhagic disorders must be exlcuded before treatment with p...