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“Superfecundation is the term used when twins are conceived from sperm from different men if a woman has had more than one partner during a menstrual cycle. It is not known how often this happens, but if suspected, then paternity can be checked by DNA testing (Terasaki et al 1978).”
― Myles' Textbook for Midwives
― Myles' Textbook for Midwives
