Conception, Pregnancy and Birth
Lecture Outline - Psy 252
10/5/99
Conception: the Marriage of Ovum and Sperm
1. Female Role in Conception
Ovulation and Menstruation
Hypothalamus--> GnRH--> Ant Pituitary--> FSH-->
Follicle in Ovary Starts to Grow--> Low Estrogen--> Inhibits FSH Release--> High Estrogen--> Stimulates Release of Pituitary LH--> Ovulation-->
Ruptured Follicle Becomes the Corpus Luteum-->
Corpus Luteum Secretes Estrogen and Progesterone-->
Inhibits Release of LH and
Stimulates Continued Growth of Endometrium
Implantation of Fertilized Egg or Menstruation
Fallopian Tubes
Tubal or Ectopic Pregnancy
Dysmenorrhea
Secondary Dysmenorrhea, PID, Endometriosis
PMS
2. The Male Role in Conception:
Sperm Production / Insemination
3. Conception
Fertilized Egg = Zygote, 2 Months= Embryo, Thereafter Fetus
Pregnancy
HCG - Human Chorionic Gonadotropin
Embryonic and Fetal Development
Amniotic Sac or Amnion
Gestation
1st Trimester
Detecting Fetal Problems (8th week)
Chorionic Villi Sampling
2nd Trimester
Detecting Fetal Problems
Amniocentesis (14th week)
3rd Trimester
Birth
Labor
Methods of Delivery
Sexuality and Intimacy During and After Pregnancy
Infertility
A Growing Problem
Causes and Treatments