Body Systems
Reproductive Systems:
1.Puberty
2.Body Parts
3. Life Choices
4. Pregnancy
5. STIs
Puberty 101 (puberty101.com)
Puberty is usually defined as the time when
the onset of sexual maturity occurs and the
reproductive organs become functional.
It is the time when you become physically,
mentally, and sexually mature
Different for everyone
Start time – no official date and time
Experiences - some good, some bad
Puberty
http://www.cfsh.ca/Your_Sexual_Health/Puberty.aspx
Puberty for Males
Puberty – change happen!
Puberty for Females
Puberty – change happens!
Confusing time – ask questions
Ask questions of people you trust
Friends may think they know but really don’t
understand either
Age doesn’t necessarily mean wiser
Don’t believe everything your read or hear
Check your information – it could save you
embarrassment or worse
Anatomy – get ready!
It is extremely important to know the correct
terminology for human body parts
Sexual predators more likely to abuse child
who does not know proper names
Court cases thrown out due to incorrect
terminology
Medical conditions misdiagnosed due to lack
of information
Anatomy - Males
•Male reproductive system outside of
body – overheating can cause infertility
•Males have two openings – urethra and
anus
•Circumcision – foreskin removed –
cultural or religious choice
•Sperm production begins at puberty
and continues until death
•Sperm produced in testicles
•Seminal vesicles add semen (fluid)
helping sperm move easier
•Prostate gland – Prostate cancer leading
cause of death in older men
•Vasectomy – cutting or tying the Vas
deferens to stop the flow of sperm
Anatomy - Females
•Female reproductive system is inside
body
•Females have three openings – urethra,
vagina, anus
•Reproductive years are between puberty
and menopause (about10years to 55
years)
•Eggs stored in ovaries – eggs woman is
born with is all she has for life
•Hysterectomy is a surgical removal of
the uterus
Menstrual Cycle
•Menstruation is the shedding
of the uterine lining
•Approximately every 28 days
•Uterus lining prepares for egg
•If the egg is not fertilized the
lining will shed
•Cramping and uncomfortable
stomach pains are associated
with menstrual cycle
Pregnancy
Conception: egg released and meets up
with sperm – happens in fallopian tubes
•9 month (40 weeks) of development:
•1st trimester essential for foetal
development
•2nd trimester – external genital organs
begin to develop
•3rd trimester – earliest point at which
foetus can potentially survive outside of
womb
Having a baby!
•Placenta – sac that holds foetus and
amniotic fluid
•Umbilical cord – connects mother
and foetus – what goes in mother
gets into baby
•Amniotic fluid – allows for baby to
move and survive
http://oneway.jesusanswers.com/images/12weekfetus.jpg
Having a baby!
•Contractions – muscle cramps
pushing the baby down towards
the vagina
•Breech – bottom first, baby in V
shape
•Natural or vaginal birth – baby
delivered through mother’s
vagina
•Caesarean birth – baby
delivered with surgeon’s help
through mother’s stomach
It’s a . . .
Sex determined by father
X or Y sperm meets up with Female X egg
XX = female
XY = male
Twins: Identical = single egg dividing
Identical chromosomes
Common placenta
Fraternal = two eggs fertilized by two different sperms
Different chromosomes
Separate placenta
Variety of combinations of girl/boy etc
Abortion – termination of pregnancy
Spontaneous – miscarriage, body
spontaneously expels foetus from woman
Therapeutic – medically assisted
Surgical – manual vacuum aspiration (can be
performed up to 20 weeks into pregnancy)
Medical - using the drugs Methotrexate and
Misoprostol (only available up to 7 weeks)
Safe Sex – avoiding pregnancy and STIs
ABSTINENCE = 100% safe and effective!
Contraceptives
Sexually Transmitted Infections
Bacterial Viruses
Chlamydia Genital Herpes
Gonorrhea Human Papilloma Virus (HPV) – warts
Syphilis Hepatitis A, B, C
Pelvic Inflammatory Disease Human Immunodeficiency Virus (HIV)
Trichomoniasis Acquired Immune Deficiency (AIDS)
Pubic Lice or Crabs
Vaginal Infections and Yeast
More information
http://www.cfsh.ca/
http://puberty101.com/
Family doctor
Fraser Valley Health clinic