Transcript Conception Pregnancy Notes

http://www.baby2see.com/development/week1.html
•Most girls start their
period bewteen age 1114
•Woman are most fertile
days 11-17
•Sperm can live inside
the reproductive track for
up to 5 days
http://kidshealth.org/misc/movie/bodybasics/bodybasics_female_repro.html
Pregnancy begins the moment an egg is
fertilized
http://www.babycenter.com/2_insidepregnancy-weeks-1-to-9_10302602.bc
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http://www.youtube.com/watch?v=aR-Qa_LD2m4&feature=fvwrel
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Three Trimesters
› Approximately 3 months each
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Full term pregnancy is 38-40 weeks
› Approximately 9 months
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Zygote Stage – First 2 weeks
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Sperm unites with ovum (egg)
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Embryo Stage – Next 6 weeks
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Fetus Stage – Week 9- end
Week 2
Week 4
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Egg implants in the
endometrium of the uterus in
about 5-8 days after
fertilization
Size: Half size of grain of rice
Placenta (sometimes called "afterbirth") begins
developing
Heart- starts to pump,
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Size- 1 to 2 inches
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Moving (mother can’t feel)
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Teeth fingers and toes are
developing
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Central nervous system- is now
functioning
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By 8 weeks all body systems
are present and now baby is
called fetus
Photograph by University of Minnesota Medical
Photographer, Robert Wolfe. 1972
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Size- 3 inches
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Grasp reflex starts
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Has Fingernails
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Heartbeat can be heard with a
stethoscope
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Umbilical cord- provides oxygen
through it
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Suck his thumb
Week 12 fetus is about 3 inches long
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Size- begins at 5-9 inches
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Swallows amniotic fluid and
passes it as urine
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Lanugo-Fine hair covers entire
body
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Brain fully developed
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Fetus can hiccup, move
around
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Can determine the gender
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Size- 12 inches
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Times of sleep and rest
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Can hear
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Mother can feel baby Kick
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“Quickening” baby’s first
movement
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Size- 14 inches
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Sweat glands develop – regulate
body temp
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White film- “Vernix” waxy- protects
the baby's skin from amniotic fluid
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Has hand and startle reflex
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Responds to sound
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Survival is good
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Size- 16 inches
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Baby can survive
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Voice- recognizes mothers voice
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Size- 18 inches
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Fat- Rapid growth
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Lungs are maturing
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Brain is growing rapidly
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Size- 20 inches about 7lbs
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“Lightening”- uterus sinks
baby drops
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Not much movement
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Fetus gets in head down
position
http://www.youtube.com/watch?v=jvanNDQhlYI
http://www.babycenter.com/video
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Monthly period stops
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Possible sweating due to
higher body temperature
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Frequent urination or leaking
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Gain of 20-30 pounds
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Hair may become thick and
healthy
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Breasts become larger and
may be tender
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Appetite increases
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Possible stretch marks on
stomach
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Possible varicose veins
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Increased fatigue
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Lower back pain
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Trouble sleeping
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Possible swelling feet and
hands
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Nausea
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Smoking
Alcohol
Hair Products – permanents, hair color
Lead
Work-related hazards
Paint
Household cleansers
Caffeine
Medications
Undercooked meat (Toxoplasmosis)
Contact with cat feces (Toxoplasmosis)
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Preeclampsia
› A type of high blood pressure
› Checked for every doctor visit
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Gestational diabetes
› Typically disappears after delivery
› Diagnosed by routine glucose screening test
during 6th or 7th month
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Post-partum depression
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Heredity: Transfer of traits from parent to child
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Gene: A heredity unit that determines a particular physical
or mental trait
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Genetic diseases: Occurs when certain genes are
abnormal, causing disease or disabilities
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More than 200 genetic disorders
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Down Syndrome
› Extra chromosome present in all or some cells
› Most commonly occurring genetic disease
› Up to 50% have congenital heart defects
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Neuromuscular diseases
› Most common are muscular dystrophy and
Amyotrophic Lateral Sclerosis (ALS)
› Some signs appear at birth, others later
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Resources:
› Wpclinic.org
› YouTube