Theoretically,the best chance for producing a girl infant would be for insemination to occur on the day of ovulation.

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The sex of the infant is determined by the sperm that fertilizes the egg. While there are some theories and methods that claim to increase the odds of conceiving a girl (such as timing intercourse before ovulation, having acidic vaginal pH, etc.), there is no guaranteed way to ensure the gender of a baby.

Theoretically,the Best Chance for Producing a Girl Infant Would Be