Chapter Twelve.ppt

Chapter Twelve Pregnancy and Birth Issues Associated with Pregnancy and Birth Fertility Assisted Reproduction A Healthy Pregnancy Health Care During Pregnancy Problems in the Pregnancy Childbirth Problems During Birthing Postpartum Parenthood Self Reflection Exercise Do you want to have children? Why or why not? If you do desire children, at what age would you like to have your first child? How many children would you like to have? Why? How would you like to have your children spaced? Why? Would you rather have a boy or girl first? How many boys and girls would you like to have? Why? What would you like to name your children? Why? Would you dress your girls in pink and boys in blue? Why or why not? How would your parents feel about grandchildren? Deciding Whether to Have Children Fertility Conception Early Signs of Pregnancy Pregnancy Testing Sex Selection Conception: The Incredible Journey Our bodies are designed to promote pregnancy During ovulation: A woman’s sexual desire peaks A mucus plug in the cervix disappears Cervical mucus thins creates gaps that vibrate with the sperm to aid motility and trap defective sperm; filters bacteria from semen Female orgasm pushes semen to the uterus and toward the Fallopian tubes Semen thickens upon ejaculation to stay in the vagina for 20 minutes to aid sperm travel Conception: The Incredible Journey The ovum can live for 24 hours Sperm can live for 72 hours; less than 1% can live up to one week Pregnancy may occur a few days before or after ovulation The ovum may release chemicals to signal its location If a sperm reaches the ovum, it wriggles violently Conception: The Incredible Journey Only one sperm fertilizes an ovum by secreting a chemical that makes a hole in the ovum coating Immediately the ovum coating changes does not permit further sperm from entering Fertilization takes about 24 hours, usually in the ampulla Zygote – a fertilized ovum Conception: The Incredible Journey About 12 hours after fertilization, the f