Transcript 11-Conceiving children

Conceiving Children
Women’s fertility
 Peaks around 20 – 24 years
Pregnancy detection
 Blood tests for HCG can detect
pregnancy as early as one week after
conception.
How do I know if I am pregnant?
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(common during first trimester)
Breast tenderness
Nausea and vomiting
Human Chorionic Gonadotropin (HCG)
in blood test (can detect pregnancy
one week after conception)
 Fatigue
What stages are there in
childbirth?
First stage of labor
 First stage
• “Bloody show”
• Uterine contractions
• Ruptured amniotic sac (Water breaks)
Second stage
 Birth of child
Third stage
 Placenta
Cesarean section
 Performed when
• Fetal distress during labor
• Feet or bottom presents first
Male Infertility
 50% of infertility = male factors
 Due to
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Smoking
Alcohol abuse
Environmental toxins
Low sperm count
Low sperm motility
STD’s
Blocked tubes
Female infertility
 50% of infertility = female factors
 Lack of ovulation
 Blocked tubes
 STD’s
Infertility treatments
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Artificial insemination
In vitro Fertilization
GIFT (Gamete intrafallopian transfer)
ZIFT (Zygote intrafallopian transfer)
ICSI (Intracytoplasmic sperm injection)
Artificial insemination
 Semen introduced into woman’s
vagina,cervix, or uterus
In Vitro fertilization
 Fertilizing egg in dish
 Placed into uterus
GIFT (Gamete intrafallopian
transfer)
 Sperm and ova placed directly into
fallopian tube
ZIFT (Zygote intrafallopian
transfer)
 Egg fertilized in dish
 Placed into fallopian tube
ICSI (Intracytoplasmic sperm
injection)
 Single sperm injection
 Best when quality or quantity of semen
is poor
How does pregnancy effect my
sex life?
 Sexual activity and orgasm may
continue as desired until labor begins
 Sexual interest progressively declines
over the nine months
 Can resume intercourse 6-8 weeks
after delivery
How can I test for birth defects?
 Chorionic Villus Sampling
 Amniocentesis
• Fluid around the fetus is removed to
check for birth defects
Abortion rates
First trimester abortions
 Have little effect on subsequent fertility
or pregnancy