"Great, another excuse."

Allergic to sperm? It's more common for women than you might imagine

Could you be allergic to your husband's sperm? Crazy as it sounds, between 20,000 and 40,000 women in the United States suffer allergic reactions to their spouse's seminal fluid, Dr. Andrew Goldstein of the University of Cincinnati Medical Center told Abcnews.com.

Within half an hour or so after unprotected intercourse, an allergic woman may develop hives, swollen eyes, diarrhea and even breathing difficulties, says Dr. David Resnick, director of allergy at New York-Presbyterian Hospital Columbia.

Though the consequences can be devastating for a woman trying to become pregnant, it's a treatable condition, according to Abcnews.com.

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