Transcript Chapter 6
Chapter 6 Birth Control, Pregnancy, and Childbirth Methods of Fertility Control • Fertility - ability to reproduce • Conception - fertilization of an ovum by a sperm • Contraception prevention of conception • Condom - latex cover for penis to catch sperm upon ejaculation Methods of Fertility Control • Contraception effectiveness rate - % of women who become pregnant while correctly using a method contraception • Oral Contraception -” the pill” - prevents ovulation / regulating hormones Methods of Fertility Control • Morning-after pill taken within three days after intercourse • Spermicides - kills sperm • Female Condom - singleuse polyurethane sheath • Diaphragm - latex device to prevent sperm access to uterus Methods of Fertility Control • Intrauterine devise (IUD) - T shaped device implanted into uterus • Withdrawal - removing the penis before ejaculation • Depo-Provera injectable form of BC lasts three months Methods of Fertility Control • Norplant - 6 silicon capsules surgically inserted under the skin of women’s upper arm • Fertility awareness methods natural methods…… examples • Cervical mucus method - based on specific changes to cervical mucus • Body temp. method - monitor body temperature for signals of ovulation Methods of Fertility Control • Calendar Methods mapping the woman’s menstrual cycle for safer time for intercourse • Sterilization permanent fertility control through surgical procedures Methods of Fertility Control • Tubal Ligation female has fallopian tubes cut and tied off • Hysterectomy removal of uterus • Vasectomy - male has vasa deferentia cut and tied off Abortion - medical means of terminating pregnancy • Vacuum aspirations - gentle suction to remove foetal • Dilation + Evacuation - foetal is both sucked and scraped out of the uterus • Hysterectomy - surgical removal of foetal • Induction abortion chemicals used to remove foetal from uterus Planning a Pregnancy • Emotional Health • Paternal Health • Financial Evaluation • Contingency Planning Pregnancy Prenatal care - living a healthy lifestyle Choosing a Practitioner Alcohol and Drugs • Tertogenic -causing birth defects from drugs, chemicals, x-rays or disease • Foetal alcohol syndrome - a collection of problems……mental retardation The Process Early signs of Pregnancy • • • • • • • missed menstrual cycle breast tenderness extreme fatigue sleeplessness emotional upset nausea vomiting (morning sickness) Trimesters - a three month segment during pregnancy with specific developmental characteristics • The First Trimester • The Second Trimester • The Third Trimester Prenatal Testing & Screening • Amniocentesis - fluid drawn from the amniotic sac / identify specific medical problems • Amniotic sac -protective pouch surrounding baby Childbirth - Choosing Where to Have Your Baby • Hospitals • Birthing centers, etc, etc. Labour and Delivery • Transition -cervix almost completely dilated / foetus head moves into birth canal • Episotomy - straight incision into the mother’s perineum • Afterbirth - expelled placenta Childbirth • Prenatal Education • Drugs in the Delivery Room • Breast-Feeding and the Postpartum Period • Postpartum depression low energy, anxiety, mood swings and depression Complications - problems that can occur even with a successful pregnancy • caesarian section (C-Section) • removal of baby via incision of abdominal and uterine walls • Rh factor - blood protein related to antibody development • …..if a Rh -negative mother has a Rh-positive baby / mother’s antibodies will attack the baby Complications - problems that can occur even with a successful pregnancy • Stillbirth - birth of a dead baby • Miscarriage - loss of foetus before viable / spontaneous abortion • Sudden Infant Death Syndrome - infants under one year of age Infertility - Difficulties in Conceiving • Pelvic inflammatory disease - infection that scars the fallopian tubes / blocks sperm migration • Endometriosis uterine lining establishes itself outside uterus Infertility - Difficulties in Conceiving • Low sperm count leading cause of infertility in men / below 60 million sperm per millilitre of semen • Fertility drugs hormones to stimulate ovulation in women Alternative Insemination • • • • • • partner's or donor’s sperm deposited into a women’s vagina / doctor supervised In vitro fertilization “test tube baby” Gamete intrafallopian Non-surgical Embryo Transfer Embryo Transfer Embryo Freezing Surrogate Motherhood