starts 10-11 show changes around 13 ends around 16
What are the two female hormones?
Estrogen and Progesterone
What Does the Female Reproductive System Do?
produce eggs (ova) have sexual intercourse protect and nourish the fertilized egg until it is fully developed give birth
the external female reproductive organs
soft tissue that covers the pubic bone and serves as a protective cushion for the reproductive organs
the outer folds of skin that surrond the opening of the vagina
the inner folds of skin that surrond the opening of the vagina
a small, highly sensitive organ located between the labia majora
the opening at the end of the urethra the urethra is a tube that carries urine from the bladder to the outside of the body
a thin membrane that stretches across the vaginal opening
organs composed of fatty tissues that are sensitive and provide milk for a newborn baby
a pair of glands located near the labia minora which secrete fluid during sexual excitement
produces a ripe egg with each menstrual cycle. Contains thousands of immature eggs from birth
(egg tube) carries eggs from ovary to uterus Serves as meeting place for sperm and egg
(womb) pear shaped organ Protects and nourishes developing baby
mouth of the uterus, lower opening at top of the vagina
pushes uterus up as it fills with urine
carries urine from bladder. Opens into front part of vulva
receives the penis during intercourse, receptacle for sperm, exit for menstrual blood, and passage way for the baby
approximately 28 days
what happens during a girls period?
each month bleeding occurs as the lining of the uterus is shed at the start of each cycle, afterwards, the lining thickens again to prepare for an egg to be dropped
what happens if the egg is not fertilized?
egg is not fertilizes progesterone levels drop this leads to menstrual bleeding and the process begins again
What is ovulation?
The mature egg is released and moves through the fallopian tube as it is available for fertilization This occurs approximately 14 days into the cycle During the menstrual cycle, hormones cause one egg to begin development
when you are born...
there are thousands of eggs already in your ovaries
The union of an egg with a sperm in the fallopian tube Sperm are capable of fertilization up to seven days after intercourse
when to identical twins occur?
a single fertilized egg divides into two
when to fraternal twins occur?
2 eggs are fertilized
What is menopause?
Signals the end of a woman's fertile life, results in decreased production of sex hormones
what is average age of menopause?
Average age is 51
what are some symptoms of menopause?
hot flashes, insomnia, night sweats, irregular periods until stage is complete