Determined by an interaction of genetic physiological and environmental factors.
Conception - combining of chromosomes.
Egg carries an X sex chromosome.
Sperm carries either a X or Y chromosome.
XX provides the blueprint to produce a female.
XY provides the blueprint to produce a male.
3 Sexual Identity
Gonads - developed at the eighth week of fetal life.
Produces the sex hormones.
Males - testes hormone - testosterone.
Females - ovaries hormone - estrogen and progesterone.
Puberty - gonadotropins.
Secondary sex characteristics.
4 Hormones and The Reproductive Life Cycle
Hormones Endocrine glands
Testes produce androgens - testosterone
Ovaries produce estrogen and progesterone
Cortex of the Adrenal gland
23 pairs of Chromosomes
Presence of the Y chromosome
Presence of the X chromosome
5 Female Sexual Maturation
Menstrual Cycle - four phases.
Estrogenic phase--Days 6-13
Ovulation phase--Day 14
Progestational phase--Days 15-27
Premenstrual syndrome (PMS).
Premenstrual Dysphoric disorder (PMDD).
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Male sexual maturation
2 years later than girls.
Aging and sexuality
Gradual decrease of testosterone
8 Sexual Function
Careful decision making
Communication about intentions
Sexual activities that both partners agree upon
The use of Contraception
The use of safer sex practices to guard against STDs
Taking responsibility for the consequences of sexual behavior
9 Sexual Health Problems
Any medical condition that might contribute to sexual dysfunction
diabetes stress prescription drugs and/or alcohol
Male - premature ejaculation and retarded ejaculation
Psychosocial - troubled relationships
Relaxation and massage techniques
Biological and Physical conditions
Pelvic Inflammatory Disease (PID)
10 Gender Sexuality and Mass Media
Influences of Mass media and shaping ideas about sexuality and gender roles
Childhood sexual behavior
Gender - masculinity or femininity.
Gender Roles - generalizations.
Androgyny - combination of traditional masculine and feminine traits.
Socialization - process which society transmits behavioral expectations.
Transgender individuals whos appearance characteristics or behavior differs from social norms for males and females.
11 Sexual Orientation
Persons preference in sex partners
Development of Sexual Orientation
Biological and genetic factors
Freudian psychoanalysis - Oedipus complex
Complex series of biological and psychological interactions
12 Expression of Sexuality
Important part of an adult life and must be practiced responsibly.
Communication about interactions.
Safer sex practices.
Responsibility for consequences.
13 Deciding to Become a Parent
Physical health and age
Relationship with your partner
Education career and child care plans
Philosophical or religious beliefs
Preexisting medical conditions.
Prescription drug/OTC drug use.
Prior pregnancy or delivery problems.
Smoking alcohol or other drug usage.
Usage of diethylstilbestrol (DES).
Family history of genetic disorders.
Conception involves the fertilization of a womens egg by a mans sperm
Each month a womens ovaries release an egg
3-4 days - the egg travels through the fallopian tubes
Egg not fertilized
Millions of sperm
Sperm release an enzyme
Egg and sperm each carry 23 chromosomes
Treatment for infertility
Blocked fallopian tubes
Pelvic Inflamm. Disease
Allergic responses to sperm
Toxic chemicals or radiation
Low sperm count
13 week trimesters
Human chorionic gonadotropin (HCG)
Early signs and symptoms
Missed menstrual period
Softening of the uterus
Muscles and Ligaments loosen
17 Changes During the Later Stages of Pregnancy
Increased needs placed on the mother.
Braxton hicks contractions.
Emotional responses to Pregnancy.
18 Fetal Development
Embryo - End of second week
All major body structures are formed between 2nd and 9th week
2nd Month - Fetus
Fetus grows to about 14 inches and 2 pounds
Fetus gains protective fat layers Respiratory and Digestive organs develop
19 Pre-natal care
Diagnosing Fetal Abnormalities
Chorionic Villus sampling
Triple marker screen (TMS)
Regular medical checkups
An appropriate diet
Avoidance of alcohol tobacco other drugs and any infections that may harm the fetus
Preparation for childbirth
20 The big event
Spontaneous Abortion or miscarriage
Low-birth Weight (LBW)
Infant Mortality SIDS
Choices in childbirth
Who is going to assist with delivery
Where is the baby going to be delivered
21 Labor and Delivery
Labor and delivery
Entire process 2-36 hours.
First stage of Labor.
13 hours for a first birth.
Mucus plug is expelled and amniotic sac may rupture.
Second Stage of Labor
Baby slowly pushed into birth canal
Baby squeezes through pelvis
Head is usually delivered first
Umbilical cord is cut
Third Stage of Labor
Delivery of the placenta
Apgar Scale of the Baby
22 Postpartum Period
3 months following childbirth.
Critical family adjustment.
Vaginal delivery leave hospital 1-3 days.
Cesarean section 3-5 days.
23 Enjoy your day!
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