搜尋結果
2022年12月6日 · Daily health news from WebMD's team of award-winning journalists. WebMD is the destination for trustworthy and timely medical and health news and information.
- Prevention
- Causes
- Treatment
- Mechanism
Birth control is a way for men and women to prevent pregnancy. There are many different methods of birth control, including hormonal contraception such as \\"the pill.\\" Women take the pill by mouth to prevent pregnancy, and, when taken correctly, it is up to 99.9% effective. However, the pill does not protect against sexually transmitted diseases, ...
A woman becomes pregnant when an egg released from her ovary (the organ that holds her eggs) is fertilized by a man's sperm. The fertilized egg attaches to the inside of a woman's womb (uterus), where it receives nourishment and develops into a baby. Hormones in the woman's body control the release of the egg from the ovary -- called ovulation -- a...
Another option for hormonal contraceptives is the extended-cycle pill, such as Seasonale, which was the first one to be approved. Seasonale contains the same hormones as other birth control pills, but the hormones are taken in a longer cycle. That reduces the number of menstrual periods from 13 periods a year to only four a year. That means a woman...
Seasonale contains the same combination of two hormones that are commonly used in other hormonal contraceptives. But the pill is taken continuously for 12 weeks followed by one week of inactive pills, which results in a menstrual cycle. Other extended-cycle pills, such as Seasonique and LoSeasonique use a different configuration of the same hormone...
2023年10月18日 · Trisomy 13, or Patau syndrome, is a genetic disorder that affects the development of a baby. Learn about the symptoms, diagnosis, and treatment options.
2023年9月24日 · A resident may work like this for three to seven years, a period known as residency. During their residency, doctors provide direct care. This includes diagnosing, managing, and treating health ...
2022年12月16日 · Masturbation is a very common behavior, even among people who have a sex partner. In one national study, 95% of males and 89% of females reported that they have masturbated. Masturbation is the ...
2022年11月12日 · Your body sheds the thick lining of the uterus, and your period starts. Fertilization. If one sperm does make its way into the fallopian tube and burrows into the egg, it fertilizes the egg. The ...
Stress and Anxiety. Intense emotions can trigger the release of hormones that speed up your heartbeat. Your body gets ready to face a threat, even if you're not in danger. Panic attacks are ...
