Normal pregnancy lasts approximately 40 weeks,

Normal pregnancy lasts approximately 40 weeks, as dated from the first day of the previous menstrual period, and is typically divided into 3 intervals or trimesters each lasting approximately 13 weeks.

Th e second trimester (13-26 weeks) :
A. Th e embryo undergoes rapid cell division, diff erentiation, and growth.
B. Associated with rapid fetal growth.
C. Completion of maturation.

Ans B