The correct answer is (c) 37-40
The baby is said to be full term baby if the baby is born in between 37 weeks to 40 weeks. The gestation period of humans is 9 months. The fetus must be born in between 37-40 weeks of pregnancy. At this period of time the fetus is fully mature and has developed organs. Once the fetus is ready to face the outer environment, the organs like heart, kidney must be fully developed to perform its function.