• smeg@feddit.uk
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    10 months ago

    The Morning After Pill is is technically not contraception as it happens after conception but prevents the embryo from attaching to the uterus wall (or something like that)

    • Curiousfur@yiffit.net
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      10 months ago

      I thought its purpose was to tell the body to not ovulate as it simulates hormonal pregnancy, which is why it can also have rough side effects after. The copper IUD prevents an ovum from implanting in the uterine wall. The MAP does not prevent one getting pregnant if the egg has already dropped.

      Disclaimer, I’m a guy and writing this on my morning commute, so if I’m wrong, please chime in and correct me.

      • smeg@feddit.uk
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        10 months ago

        That’s the normal contraceptive pill that you’d take regularly, the “morning after pill” is for when you’ve realised that you forgot to use any contraception and need to stop that embryo before it grows any more!

        • candybrie@lemmy.world
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          10 months ago

          Even for the morning after pill, the main mechanism is to prevent/delay ovulation that cycle. It theoretically can reduce the likelihood of implantation, but it’s less effective at that mode of prevention. And if the embryo already implanted, it will do nothing.

          From the FDA:

          Plan B One-Step works before release of an egg from the ovary. As a result, Plan B One-Step usually stops or delays the release of an egg from the ovary. It is one tablet that contains a higher dose of levonorgestrel than birth control pills and works in a similar way to prevent pregnancy.

          Evidence does not support that the drug affects implantation or maintenance of a pregnancy after implantation, therefore it does not terminate a pregnancy.

    • LesserAbe@lemmy.world
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      10 months ago

      Not sure if this is where you’re going with this, but some pro life advocates view contraception that prevents the implantation of a fertilized egg as an abortion (and hence murder)