Introduction Retinal vascular obstruction is rare in young patients; however, it is a significant cause of blindness, especially retinal vein occlusion (RVO), the most common acquired retinal vascular pathology in adults(1). RVO is divided in central (CRVO), hemicentral (HRVO) and branch retinal vein occlusion (BRVO). The reported prevalence of RVO is 5.2/1000 for all types, with 4.42 for BRVO ...

background: our study compares the efficacy of the combined contraceptive vaginal ring to oral contraceptive pills (ocps) for hypothalamic-pituitary-ovarian (hpo) axis suppression in egg donor in vitro fertilization (ivf) cycles. methods: our retrospective cohort study includes patients from the center for assisted reproduction (care) in bedford, texas undergoing ivf cycles as egg donors from j...

The purpose of this study was to investigate the effects of the ovarian hormones and the use of oral contraceptive pills (OCP) on cardiac vagal withdrawal at the onset of dynamic exercise. Thirty physically active women aged 19-32 years were divided into two groups: OCP users (n = 17) and non-OCP users (n = 13). Participants were studied randomly at three different phases of the menstrual cycle...

OBJECTIVE To assess the risk of oral contraceptives on the occurrence of cervical cancer. MATERIAL AND METHOD A hospital-based case-control study was conducted. Sixty women patients with histologically confirmed invasive cervical cancer and 180 healthy women as the control group who attended the King Chulalongkorn Memorial Hospital, Bangkok, Thailand were recruited. Information about the use ...

OBJECTIVE To measure the association between oral contraceptive use and the prevalence of genital warts in women. METHODS Cross sectional case control study comparing oral contraceptive use in women with and without genital warts attending a city centre genitourinary medicine clinic controlling for recent sexual activity, the presence of other sexually transmitted infections, socio-economic c...

This article analyzes knowledge and use of contraceptive methods in women ages 10 to 49 years residing in the southern region of the city of São Paulo in 1992. A total of 1,157 childbearing-age women were studied, focusing on variables that might define them as to: knowledge in the use of contraceptive methods and reasons for choosing a given method. We observed that 86% of the women referred k...

Conflicting evidence exists as to whether there are differences between males and females in circadian timing. The aim of the current study was to assess whether sex differences are present in the circadian regulation of melatonin and cortisol in plasma and urine matrices during a constant routine protocol. Thirty-two healthy individuals (16 females taking the oral contraceptive pill (OCP)), ag...