1. a) What organogenesis?
b) At what stage of pregnancy the embryo he now carries the fetus name? Why?
c) What is the duration of a typical pregnancy?
d) In which quarter there he has the most development and differentiation?
e) What is the minimum age (in weeks) to which a premature fetus could survive without much critical care?
2.Décris briefly the three stages of parturition. Why they say it is a phenomenon of retro activation.
3. How is it that lactation is controlled by hormonal secretions of the pituitary gland? What is the external factor that indirectly stimulates the lactation?