Mythology and rational explanation in the history of medicine. The case of molar pregnancy

Molar pregnancy is a specific kind of gestational trophoblastic disease which originates from the placenta. There are two types of molar pregnancy, complete and partial. Complete molar pregnancy derives from a defect in maternal eggs, while an incomplete one derives from a defecting fertilization by paternal sperm. Molar pregnancy drawn the attention of ancient physicians from the classic period and they widely discussed maternal and paternal roles in causing this condition. Classic doctors drawn from mythology several suggestions and ideas, which indicates that the issue of normal and abnormal conception was a crucial problem since the most ancient past Current scientific studies on molar pregnancy are free from ancient prejudices about male and female “nature” and their reciprocal role in embryogenesis. However, an awareness of the cultural biases that could drive scientific researches, might be useful for scientists and physicians even today.