CHAPTER 24 Sexual Feelings and Relationships Lesson 4 Pregnancy and Childbirth

Building Vocabulary placenta A thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus umbilical cord A tube that connects the fetus and the mother’s placenta contractions Labor pains prenatal care Steps taken to provide for the health of a pregnant woman and her baby LESSON 4 Pregnancy and Childbirth BIG IDEA As a fetus develops during pregnancy, special care needs to be taken to ensure the fetus and mother remain healthy. obstetrician Doctor who specializes in the care of a pregnant female and her developing fetus, and who is present at the birth of the baby Lesson Home

Pregnancy LESSON 4 Pregnancy and Childbirth BIG IDEA As a fetus develops during pregnancy, special care needs to be taken to ensure the fetus and mother remain healthy. Lesson Home During the first days of pregnancy, the fertilized cell travels down the fallopian tube and attaches itself to the wall of the uterus. During the first two months of pregnancy, the developing unborn baby is called an embryo. After the eighth week of pregnancy, the term fetus is used. The fetus will continue to grow and develop for about nine months.

Pregnancy and Giving Birth placenta A thick, rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus LESSON 4 Pregnancy and Childbirth BIG IDEA As a fetus develops during pregnancy, special care needs to be taken to ensure the fetus and mother remain healthy. Lesson Home New Vocabulary The body of the mother-to-be provides the unborn baby with food and oxygen from the placenta through the umbilical cord. New Vocabulary umbilical cord A tube that connects the fetus and the mother’s placenta

Pregnancy and Giving Birth contractions Labor pains LESSON 4 Pregnancy and Childbirth BIG IDEA As a fetus develops during pregnancy, special care needs to be taken to ensure the fetus and mother remain healthy. Lesson Home New Vocabulary Birth occurs in three stages: Stage Two. The cervix continues to dilate. Contractions help to push the baby through the cervix, down the birth canal, and out of the body. Stage One. The mother begins to feel contractions. These muscle movements mean that birth is starting. The cervix, begins to dilate, or open. Stage Three. Once the baby is born, the placenta is pushed out of the body.

Care for the Pregnant Woman obstetrician Doctor who specializes in the care of a pregnant female and her developing fetus, and who is present at the birth of the baby LESSON 4 Pregnancy and Childbirth BIG IDEA As a fetus develops during pregnancy, special care needs to be taken to ensure the fetus and mother remain healthy. Lesson Home New Vocabulary Prenatal care includes regular visits to an obstetrician. It also includes: participating in moderate physical activity eating nutritious food. getting enough rest. avoiding the use of tobacco, alcohol, and all drugs not prescribed by the doctor. New Vocabulary prenatal care Steps taken to provide for the health of a pregnant woman and her baby