Fertility awareness-based methods for contraception: systematic review of randomized controlled trials.

Context: Fertility awareness-based (FAB) methods of family planning estimate the fertile days of the menstrual cycle whether by observing fertility signs such as cervical secretions and basal body temperature or by monitoring cycle days. The efficacy and acceptability of these methods are unclear.

Methods: We retrieved and analyzed all randomized controlled trials that examined any FAB method used for contraception.

Steroid hormones for contraception in men: systematic review of randomized controlled trials.

Male hormonal contraception has been an elusive goal. Administration of sex steroids to men can shut off sperm production through effects on the pituitary and hypothalamus. However, this approach also decreases production of testosterone, so an "add-back" therapy is needed.

Use of a levonorgestrel-releasing intrauterine system to treat bleeding related to uterine leiomyomas.

Objective: This study was designed to evaluate the potential usefulness of the levonorgestrel-releasing intrauterine system (LNG IUS) in treating women with uterine leiomyomas.

Design: Prospective before-and-after study.

Setting: Family planning unit in an academic research institute.