%0 Journal Article %J Curr Biol %D 2014 %T Sexual selection: placentation, superfetation, and coercive copulation %A Haig, D. %X

The evolution of placentas in poeciliid fishes is associated with conception of overlapping litters and male mating strategies becoming more coercive. Sperm competition in ovaries of multiply-inseminated females may favor fertilization of immature eggs during ongoing pregnancies.

%B Curr Biol %V 24 %P R805-8 %8 Sep 8 %@ 1879-0445 (Electronic)0960-9822 (Linking) %G eng %M 25202873 %! Current biology : CBCurrent biology : CB