Normal puerperium: immediately after delivery, uterus = at umbilicus, after _______ days--------shrinks/involutes, ___________ weeks-------descend into pelvic cavity, _________ weeks = normal size.
a) 2 days; 2 weeks; 6 weeks
b) 7 days; 4 weeks; 8 weeks
c) 3 days; 3 weeks; 5 weeks
d) 14 days; 6 weeks; 10 weeks