Background Multiple factors are linked to extremely high unintended pregnancy rates among women who use opioids, including various barriers to contraception adherence. These include patient level barriers such as lack of knowledge and education about highly effective contraception, and potential provider barriers. Using a mixed-methods framework to examine the contraception-related perceptions ...

Compared to efficient and secure female contraception, a vasectomy and condoms are the only options for men. The choice of male contraceptive methods is limited, so contraception mainly rests on the shoulders of women. Several concepts are considered: testosterone administration--inhibiting pituitary secretion of lutropin (LH) and follicle stimulating hormone (FSH), progestogen--affecting the s...

The GnRH analogue deslorelin, in long-acting biocompatible implants, was used as a contraceptive in 31 cheetahs (13 females and 18 males), 21 African wild dogs (15 females and 6 males), 10 lionesses and four leopards (three females and one male). A dose of 12 or 15 mg deslorelin was administered to lions, whereas 6 mg deslorelin was administered to the other species. Monitoring consisted of obs...

BACKGROUND Discontinuation of contraceptive use that is not immediately followed by resumption of use of another method while a woman is at risk is a common cause of unintended pregnancy. STUDY DESIGN We provide new estimates of discontinuation for the pill, injectable, male condom, withdrawal and fertility-awareness-based methods, and identify socioeconomic characteristics associated with di...