2024年12月3日 · There are many different types of contraception, with varying rates of effectiveness depending on correct usage.

2023年9月5日 · Key facts. Among the 1.9 billion women of reproductive age group (15–49 years) worldwide in 2021, 1.1 billion have a need for family planning; of these, 874 million are using …

2016年2月17日 · Combined oral contraceptives (COCs, "the pill"). COCs contain a synthetic estrogen and a progestin, which functions to inhibit ovulation. A woman takes one pill daily, …

2016年9月12日 · Combined oral contraceptives (COCs, "the pill"). COCs contain a synthetic estrogen and a progestin, which functions to inhibit ovulation. A woman takes one pill daily, …

2016年2月23日 · Different methods of contraception have different rates of effectiveness in preventing pregnancy. Contraception is most effective when used correctly and consistently. …

2023年1月6日 · Call the OWH HELPLINE: 1-800-994-9662 9 a.m. — 6 p.m. ET, Monday — Friday OWH and the OWH helpline do not see patients and are unable to: diagnose your …

2017年1月31日 · Contraception allows for the prevention of pregnancy and for planning the timing of pregnancy. Some methods can also protect against infections. Modern methods of …

2017年1月31日 · Contraception is the prevention of pregnancy. Contraception, or birth control, also allows couples to plan the timing of pregnancy. Some methods can also protect against …

2016年1月1日 · Additional information. Web annex: Development of updated guidance for the third edition. Development, updates, and future directions of the World Health Organization …

2005年9月2日 · Steroid hormonal contraceptives, including oral contraceptives, injectables and implants, are highly effective and widely used. These contraceptives have important health …