So I'm assuming you're using morning after pills because you've had unprotected intercourse and want to avoid pregnancy.
The disadvantages to taking the morning after pill is that it does not always prevent pregnancy. It can reduce the chance of pregnancy by 75%-89% if started within the first 72 hours after you had intercourse. However, it can reduce the chance of pregnancy for up to five days after you had intercourse. side effects can include dizziness, nausea, vomiting (rare), bleeding between periods (rare). It can also affect your next period in a variety of ways.
I'm not aware of any other emergency methods to prevent pregnancy.
Some of the best things to do to avoid pregnancy are to take take birth control pills and use condoms, both of which are very effective in preventing unwanted pregnancies. However, remember that no form of contraception is 100% effective. There's always some chance, albeit slim, even when you use multiple forms on contraception. Hope this helps!!
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