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Reproductive Choices: Contraception, Pregnancy, and Childbirth
Chapter Sixteen Reproductive Choices: Contraception, Pregnancy, and Childbirth
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Contraceptive Methods
Abstinence Fertility Awareness Method Barrier Methods Condoms Diaphragm Cervical cap Contraceptive Sponge Intrauterine device (IUD) Hormonal Contraceptives Oral pills Morning after pill Emergency Contraception Sterilization Vasectomy Tubal ligation
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Fertility Awareness Methods
(Rhythm Method) Calendar (calculating the unsafe days of ovulation) Basal temperature (raise in body temperature could result in ovulation) Cervical Mucus Method (evaluate consistency of vaginal discharge to predict ovulation) Sympothermal (combines basal type and mucus together) Withdrawal (removing the penis from the vagina prior to ejaculation) These methods are based on abstinence during the window of time around ovulation when a woman is most likely to conceive See Figure 16.1
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Barrier Methods Male Condom Spermicide Diaphragm Cervical Cap
Latex or polyurethane See Figure 16.2 Decreases the risk of contracting a sexually transmitted disease Spermicide Chemical agents that kill sperm Usually comes in a foam or jelly and can be purchased over the counter for $10-15 Diaphragm Circular rubber dome inserted in the vagina before intercourse; covers the cervix and is applied with spermicide See Figure 16.4 A Health care provider must correctly fit and provide instructions for use Cervical Cap Small cuplike rubber device that covers only the cervix, used with spermicide See Figure 16.5
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Current Barrier Methods, cont’d
Female condom Latex or polyurethane pouch that is inserted into the vagina See Figure 16.3 Can be purchased at a grocery or drug store for about $2.00 Contraceptive Sponge Over the counter product that fits over cervix and is used with spermicide to act as a barrier Removed from the market in 1994, available now in grocery or drug stores
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Intrauterine Device IUD See Figure 16.7
T-shaped item inserted into the uterus The world’s popular reversible contraceptive method Believed to work by altering the uterine and cervical fluids to reduce the chance that sperm will move up into the fallopian tubes The Copper T-380A (Paragard) and Levonorgestral (Mirena) are available today Highly effective and requires little maintenance after inserted Costs $ The copper version can remain in place for up to 10 years The progesterone version can remain for 5 years See Figure 16.7
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Hormonal Contraceptives
Oral Contraceptive Pills, Patches, Injections, Vaginal Rings, and Implants Works by reducing the ovum development or by reducing ovulation by mimicking hormonal activity of the corpus luteum Prescribed by a physician Side effects Tenderness in breasts Nausea Headaches Spotting Weight gain Sex drive fluctuation Frequent vaginal infections Mild depression Advantages Reduction of certain types of cancers, Reversibility Fewer incidences of PID and iron-deficiency anemia
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Post-Sex Contraception
Known as the morning after pill, estrogen and progesterone combination pill or a progesterone only pill (Preven) ECP’s (Emergency Contraception Pills) reduce the risk of pregnancies by delaying or inhibiting ovulation when taken within hours of unprotected intercourse Effective rates improve when taken earlier vs. later ECP’s do not induce a medical abortion or affect the developing pre-embryos or embryos Costs range from $15 to $40 per use These hormones do contain potential side effects
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Sterilization A surgical procedure that permanently prevents any future pregnancies Vasectomy – separation of the vas deferens Tubal ligation – separation of the fallopian tubes
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Which Contraceptive Method Is Right For You?
Considerations to evaluate when choosing contraception: Health Risks Implications of unplanned pregnancy STD risk Relationship type Affordability Ease of use Interference with religious or philosophical expression
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Unintended Pregnancy Options
The important thing is to see your physician or health provider as soon as possible to discuss the following options: Carry the pregnancy to term and raise the child Carry the pregnancy to term and place the child in an adoptive family Terminate the pregnancy
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Adoption Adoption provides a permanent family for a child in need
If you are considering adoption, you can choose one of the following: Open adoption (biological parents choose adoptive parents) Closed adoption (biological parents do not choose parents) All forms of adoption require both biological parents relinquish all parental rights For couples wanting to adopt, international adoptions are becoming increasingly popular in this country
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Abortion Termination of a pregnancy through the following:
Elective: voluntary termination of a pregnancy Spontaneous: involuntary termination or miscarriage Surgical: surgical removal of the contents of the uterus to terminate the pregnancy Dilation/suction method is the most common method Medical: use of a pharmaceutical agent to terminate the pregnancy Mifepristone (formerly known as RU 486)
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Causes of Infertility Low sperm count Poor sperm motility
Sperm abnormalities Lack of ovulation Obstruction of fallopian tubes STD Endometriosis
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Treating Infertility Surgery Fertility drugs Intrauterine Insemination
IVF, GIFT, and ZIFT in vitro fertilization gamete intrafallopian transfer zygote intrafallopian transfer
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Importance of Prenatal Care
Regular Checkups Blood tests Prenatal Nutrition Avoiding Tobacco products Caffeine Avoiding illicit drugs and other environmental agents Alcohol (FAS) Accutane (acne medication) STD’s and other infections Proper nutrition/exercise
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Complications in Pregnancy and Pregnancy Loss
Eclampsia: potential life threatening disease which develops during pregnancy, marked by seizures and coma Miscarriage: usually due to abnormalities in the first few weeks of pregnancy Preclampsia: blood pressure becomes elevated and can life threatening Low Birth Weight (LBW): when a baby weighs less than 5.5 lbs Infant Mortality: death of a child less than one year of age (i.e. SIDS or stillbirth)
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Diagnosing Problems in a Fetus
About 5% of babies born in the United States have a birth defect Several tests have been developed to detect abnormalities in a fetus prior to birth Alpha-Fetoprotein Measurement Ultrasound Chromosomal Analysis Chorionic Villus sampling Amniocentesis
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Fetal Development (First Trimester)
Within 30 minutes a fertilized egg goes through many forms of cell division Blastocyst is formed by the 5th day after fertilization An embryo is created by the end of the 2nd week from the blastocyst separating into 3 layers The outermost shell of cells becomes the placenta, umbilical cord, and amniotic sac By week 12 all major body structures are formed, including the heart, brain, liver, lungs, and sex organs
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The Second Trimester Growth improves to about 14 inches and the weight increases to 1.5 lbs. All body systems are working and the fetal heartbeat can be heard Fetal movements can be felt by the mother, beginning by the 4th to 5th month
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The Third Trimester The fetus gains most of its weight during the last 3 months Fat layers are acquired during the 8th month as well as acquired immunity from the mother Importance is placed on providing the fetus with important nutrients The respiratory and digestive organs are developing at this stage See Figure 16.10
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3 Stages of Labor Effacement/Dilation of the cervix
cervix opens to 10cm during this stage Delivery of the fetus “crowning” of the fetus Delivery of the placenta within 30 minutes afterbirth is expelled See Figure 16.11
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The Postpartum Period A stage of about 3 months following childbirth
It takes 6-8 weeks for a woman’s reproductive organs to return to their prebirth condition Lactation begins about 3 days after childbirth The return of menstruation make take up to 6 months depending upon hormonal activity Fluctuating emotions are the result of hormone level changes and could result in postpartum depression
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Reproductive Choices: Contraception, Pregnancy, and Childbirth
Chapter Sixteen Reproductive Choices: Contraception, Pregnancy, and Childbirth
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