Ladies, if you are in the habit of ingesting sperm, kick the habit today. Experts in the field of immune infertility have found evidence to suggest that women who swallow their partners’ sperm may form antibodies against the sperm. In a sense, swallowing sperm is synonymous with being inoculated with it, and you could end up giving yourself a sperm vaccine!

How is this possible?

When sperm enter the digestive tract, the immune system sees it as a foreign invader, forms antibodies against it, and eliminates it. Later, when the same sperm appears in the cervical canal, the immune system becomes confused and attacks and kills the sperm on the spot, preventing conception.

The more sperm you swallow, the more antibodies you’ll create, so a single episode of sperm ingestion probably won’t affect your fertility. Also, since antibodies are made in response to sperm from a specific partner, past episodes of sperm ingestion with other partners should not cause your body to make antibodies against your current partner’s sperm.

Men often ingest their own sperm when they perform cunnilingus after having sex with their female partners. In this case, past episodes of this with other couples may affect your current fertility. To avoid swallowing your own sperm, always wash your penis carefully after having sex. When a man forms antibodies against his own sperm, the antibodies can even destroy the sperm before they leave his body.

Finally, women who have anal sex with their partners must prevent sperm from entering the rectum, which can also cause their bodies to create antibodies against sperm. Anal sex can cause the tissue inside the rectum to tear, allowing sperm to easily access the bloodstream, which triggers the immune system to create antibodies.

Note that this theory is still in the research phase and has not been absolutely proven yet! However, if true, it could be a powerful piece of preventative medicine for millions of couples.