You searched for: “hypercyesis
hypercyesis, hypercyesia
1. Superfetation or the formation of a fetus as the result of an impregnation occurring after another impregnation but before the birth of the offspring produced by it.
2. The fertilization and subsequent development of an ovum when a fetus is already present in the uterus, as a result of fertilization of ova during different ovarian cycles, yielding fetuses of different ages.

This is possible only when there is a double uterus, or where menstruation persists up to the time of the second impregnation.

This entry is located in the following units: cyesio-, cyes-, cyo- + (page 2) hyper-, hyp- (page 6)