由 airyoumaywant 於 2024-07-18 12:03:34 發表 | 累積瀏覽 88
The abortion pill is a safe way to end an early pregnancy. It is a combination of two medications – mifepristone and misoprostol.事前避孕藥
Effectiveness. Emergency contraception pills reduce the risk of pregnancy by approximately 75%. In other words, out of 100 women who have unprotected intercourse mid-cycle, approximately 8 would become pregnant. With use of emergency contraception pills, only 2 of the 100 would become pregnant.
How likely is it you'll get pregnant after taking Plan B? According to a 2010 study of women who took Plan B after having unprotected sex, it's over 97% effective if you take it within 72 hours of having sex. The Plan B packaging itself says it's 95% effective within 24 hours.
One of the main signs that a morning-after pill hasn't worked is a missed menstrual period. If your period is more than seven days (a week) later than you expected, take a pregnancy test.
The only way to know is to wait until your next period or to take a pregnancy test. If you're feeling anxious, you can take some pregnancy tests as early as six days before your expected period date.
Similarly, in one study of 232 women who took Plan B, just under 15% experienced spotting. In this study group, the bleeding typically started around 4 days after Plan B was taken and lasted an average of 2.4 days, with a range of one to seven days. Some women began spotting as early as 8 hours after taking Plan B.
Plan B may stay in your system for 5–6 days, but it won't be effective at preventing pregnancy for all that time. The drug's half-life is around 27.5 hours, which is likely its most effective time period. Even if you take Plan B within 72 hours, you may still get pregnant.
If you have had sex in the past few days, it isn't too late to prevent a pregnancy using emergency contraception. Although sometimes called the morning after pill, emergency contraception can be used up to three days after intercourse (some doctors think it might even work up to five days after).
No, in any combination of emergency contraceptives, one pill is not enough to prevent conception or pregnancy. It would always need at least two pills to prevent pregnancy. It should be taken under doctor's advice.
The perfect-use failure rate for the pull-out method is 4 percent . This means that, when done perfectly, the pull-out method prevents pregnancy 96 percent of the time. Still, it's estimated 18 to 28 percent of couples using the method will get pregnant within the first year.
