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14 Historical Contraception Facts That'll Make You Say "Wait, What?"

We've come a long way from using crocodile poop as spermicide.

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6. Women would wear amulets, which were thought to prevent pregnancy. They were made with things like asparagus or sometimes donkey dung.

Casarsaguru / Getty Images, Chris6 / Getty Images

See also: ones made from mule uteruses.

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13. IUCs (intracervical devices) were inserted into the cervix after conception during the late 1800s and early 1900s, to stop the sperm reaching the embryo.

Science Museum / Via commons.wikimedia.org

The flat end would go against the vaginal walls, and it sounds a little...uncomfortable. It lost popularity with the introduction of the IUD.

14. And finally, as recently as the 1950s and 60s, douching with cola was used by some people as a method of contraception, because they thought the acidity could kill sperm.

Flickr: remino

As the person conducting the research proving this didn't work told New Scientist, sperm "can make it into the cervical canal, out of reach of any douching solution, in seconds". So don't try this at home.