A typical pregnancy is how many weeks? Describe the major weeks and point of development for the pinna
a) 40 weeks; major weeks: 12, 20, 28, 36; point of development for the pinna: 12 weeks
b) 36 weeks; major weeks: 10, 18, 26, 34; point of development for the pinna: 16 weeks
c) 38 weeks; major weeks: 14, 22, 30, 38; point of development for the pinna: 20 weeks
d) 42 weeks; major weeks: 8, 16, 24, 32; point of development for the pinna: 24 weeks