Human Fetal Growth and Development: First and Second Trimesters Niranjan Bhattacharya
Publisher: Springer International Publishing
First trimester growth and development benchmarks The embryo is taking on a human shape, although the head is larger in proportion to the rest of the body. See when your baby in utero hits certain key milestones, from the first Child Growth Chart · Discipline · Childcare · Language & Cognitive Development · Social Over the next six weeks, all of your baby's organs will begin to develop, and some She's lost her "tail" and is starting to look more human. Human Head growth has slowed, and your baby is about 3 inches long, and weighs almost an ounce. 0 releases hormones into your body that are responsible for growth, metabolism and more. Image of a Human fetus near his fifth month of development. Fetal Development: Baby's Nervous System and Brain. Fetal development progresses rapidly in the second trimester. First-trimester maternal serum levels of placental hormones are independent predictors of second-trimester fetal growth parameters. Set of 46 chromosomes called a zygote, which is the basis for a new human being. Main articles: Prenatal development, Human embryogenesis and Fetus although the majority of the physical growth occurs in the last weeks of pregnancy. During the first trimester fetal development has new things arriving every day and week. Learn about a baby's development during the first trimester of pregnancy. Fetal Development: The Second Trimester stem cells) multiply and change into the hundreds of different types of cells needed to make a whole human body. Around the middle of the second trimester, movement of the fetus may be felt. By now your baby might be about 6 1/3 inches (160 millimeters) long from crown to rump. Pregnancy Calendar: Second Trimester. The embryo is going through a lot of basic growth at this time, with the beginning development of the brain, Second Trimester · Third Trimester. Pregnancy Stages Pictures: 1st, 2nd and 3rd Trimesters.