Download Repro and Preg Power Point

Reproductive Systems
and Pregnancy
Bladder
Seminal
vesicles
Vas
deferens
penis
Prostate gland
Cowper’s
gland
anus
epididymis
urethra
Testicles (or
testes)
scrotum
ovary
Fallopian
tubes
uterus
cervix
vagina
bladder
clitoris
anus
labia
urethra
menstrual cycle
Terms to Know
• Menstrual Cycle
– A monthly series of hormone controlled
changes that prepare the uterine lining for
pregnancy
• Menstruation
– Breakdown and discharge of the uterine lining
out of the vagina
• Ovulation
– Release of an egg
from a follicle in the ovary
Hormones
• Follicle Stimulating Hormone (FSH) &
Luteinizing Hormone (LH)
– The hormones that cause the maturation
and release of an egg
• Estrogen
– Levels increase to cause uterine lining to
thicken. Lining nourishes and supports the
growing human during pregnancy
• Progesterone
– Further thicken and maintain uterine lining
following ovulation
Male Reproductive System
Terms to Know
• Testosterone
– Male hormone that influences sperm
production
• Ejaculation
– When sperm is released from the penis
Seminal Fluid
Gland
Approximate %
Description
Testes
2-5%
Approx. 200-500 mill. Sperm
Seminal Vesicle
65-75%
Releases fluids that provides
nourishment and protection
Prostate
25-30%
Releases fluids that provides
protection
Bulb urethral Gland
(Cowper’s Gland)
<1%
Releases fluids that increase the
mobility Contributes to the cohesive
jelly-like texture of semen
Pregnancy
Terms to Know
• Zygote
– genetic material of the egg and sperm
combine to form one cell (fertilization)
• Embryo
– first 8 weeks
• Implantation
– Embryo is embedded in the uterine wall
• Fetus
– 9the week and after
1st Trimester
– The baby's heart has begun to beat! (week 6)
– The spinal column, brain, heart, spleen,
kidneys and liver have all developed
– Arms develop into hands, fingers, and finger
nails form
– The baby's face
is develops (nose,
eyes, eyelids, ears,
and teeth)
– Gonads have
formed
2nd Trimester
• Baby’s face is more defined, including eye
lashes and eyebrows and facial muscle
can move
• Reflexes are operating
• Baby can hear, has a
sense of smell and taste
buds are operating
• Bowl movement can occur
• Baby can see and experiences rapid eye
movement while sleeping
3rd Trimester
• The baby’s skin is fully developed
• The baby has developed it’s hair color and eyelashes
• The baby's bone marrow has now taken over production
of red blood cells.
• It is possible for the baby
to cry real tears, even within
the womb.
• The lungs are the last
organs to reach maturity, but
they should be ready to
go now.
Complications and Pregnancy
• Miscarriage
– Death of fetus from natural complications
before the 20th week
• Still Birth
– A stillbirth is defined as the death of a fetus
after the 20th week of pregnancy up to birth.
• Premature Birth
– Early birth due to abnormal uterus, bleeding
behind placenta, STI, multiple pregnancy, or
other causes
Complications and Pregnancy
• Gestational Diabetes
– Mother gets diabetes during the pregnancy
• Rh incompatibility
– A condition in which mother’s immune system
reacts against the fetus’s blood due to an
incompatibility in blood cell type
• Toxemia
– toxemia is characterized by sudden elevated
blood pressure and the presence of excess
protein in the urine (common in pregnant
teens) If untreated can lead to death
Complications and Pregnancy
• Fetal Alcohol Syndrome
– Set of birth defects that
affect a fetus that has been
exposed to alcohol during
pregnancy
Complications and Pregnancy
• Effects of Smoking
– Premature birth
– Low birth weight
– Miscarriage
– Developmental
Issues
– SIDS
Complications and Pregnancy
• Effects of Drug use
– Low Birth Weight
– Premature Birth
– Developmental
Problems
– SIDS
• Neonatal Abstinence Syndrome
– Baby goes through withdrawal symptoms