Other forms of birth control require you to discontinue use for long periods of time before trying to get pregnant. (businessinsider.com)
And they've also been put through rigorous testing (not so different from other forms of birth control) in order to gain authority in the medical community. (mindbodygreen.com)
The morning - after pill doesn't prevent pregnancy as well as other forms of birth control like the IUD, implant, pill, shot, or ring. (plannedparenthood.org)