Propel Orthodontics 2016 Propel Orthodontics - a leading manufacturer and retailer of innovative orthodontic products like the Excellerator and VPro5. Simple, easy, fast. Learn more.
Week 38: Baby develops a firm grasp. Thirty-eight weeks into your pregnancy, or 36 weeks after conception, your baby is developing a firm grasp. Your baby's toenails have reached the tips of his or her toes. His or her brain might weigh about 14 ounces (400 grams). After birth, your baby's brain will continue to grow.
During the next 13 weeks, your baby will: 1  Grow from a tiny cluster of cells called a blastocyst (about the size of the head of a carpenter's nail) at week three of pregnancy to about 3 inches long (think the length of your car key) by week 12.