antojo - correct answer craving
alteración - correct answer hormonal changes
Blastocito - correct answer blastocyte
célula madre - correct answer stem cell
ecografía - correct answer ultrasound
mellizo(a) - correct answer twin
náusea matutina - correct answer morning sickness
tocólogo - correct answer obstetrician
vientre - correct answer belly
cuello uterino - correct answer cervix
dar el pecho - correct answer breastfeed
matrona - correct answer mid-wife
parturienta - correct answer woman in labor