an expectant mother dreams of what her twin babies are experiencing in her womb where the fetuses move in a liquid world

world wondering womb woman uterus utero unborn umbilical twins twin thinking space reproduction prenatal pregnant pregnancy placenta move mother mom medical maternity liquid life infant imagine identical human growing girl fluid fetuses fetus fetal fertility experiencing expectant embryonic embryo dreams dreaming dream development cord copy conception childbirth child breathing boy birth biology belly baby babies amniotic abortion