Answer: Option C.
Quickening.
Explanation:
Quickening is a period in pregnancy in which the pregnant mother start to feel the movement of the foetus. Foetus may begin to move as early as 14 to 16 weeks from the start of their last period but variations is common in quickening. Some foetus might begin to move as early as 12 to 16 weeks of pregnancy, from the start of last period. The pregnant mother will begin to notice a pattern when quickening begins.