There are three stages of prenatal development: germinal, embryonic, and fetal. Let’s take a look at what happens to the developing baby in each of these stages. Germinal Stage (Weeks 1–2) In the discussion of biopsychology earlier in the book, you learned about genetics and DNA. A mot...
Explain the stages of oogenesis. Parts of the Female Reproductive System: The female reproductive system consists of the ovaries, uterine cavity, uterine wall, and cervix. The uterus is also called the womb, a masculine organ that provides space for the development of the fetus after fertilization...
Birth, process of bringing forth a child from the uterus, or womb. The three stages of labor are dilatation, expulsion, and the placental stage. Learn more about these stages, the methods to relieve the pain of labor, and complications that can occur dur
What is a Fetus? A fetus is a human baby developing in the womb from week eleven until birth. Prior to week eleven, a developing baby is known as an embryo. The baby is known as a fetus for the majority of its development in the womb. ...
Pregnancy lasts about 40 weeks, during which the baby completes its development until the moment of birth. In this way, the baby reaches milestones in its development month by month, at the same time as the woman may notice certain symptoms.
At the moment of conception, girls immediately begin displaying physiological differences from boys. They express genes in the placenta differently, improving placenta development and pregnancy maintenance. Girls begin developing breasts while they are still in the womb, and they are born with the milk...
Prenatal development refers to the process in which a baby develops from a single cell after conception into an embryo and later a fetus. Description The average length of time for prenatal development to complete is 38 weeks from the date of conception. During this time, a single-celled zyg...
Fetal development has three main stages: conception, embryonic development, and the development of a fetus. In the first stage...
a工业发展迅速导致水体污染 The industrial development causes the water body pollution rapidly [translate] a作为北京2008年奥运会唯一的汽车合作伙伴 As Beijing in 2008 Olympic Games only automobile partner [translate] a尽量不要熬夜太晚。那样对你的健康不好 Do not have to stay up late too late as ...
Freud's stages of human development, referred to as the psychosexual stages of development, describe how the libido develops through childhood, guiding behavior.