Changes During Adolescence • Growth Spurts: • Growing very quickly (birth to 6 months) • Adolescence (age of puberty to adulthood) Girls- 9-13 2 ½ inches, 10-13 pounds Boys-11-15 3-5 inches, 12-14 pounds Sexual Maturity: • Often referred to as Puberty • Able to Produce children • Organs function as adult organs • Traits passed from parents to children
Sexual Maturity: • Hormones –chemicals that cause the start of your growth spurt • Endocrine Glands- Makes hormones • All endocrine glands are the same in boys and girls except the sex glands • Girls- ovaries • Boys- Testes • Pituitary Gland- Master (controls others) • Girl Changes: Boy Changes: • Breasts Breasts may grow slightly • Hips widen Shoulders broaden • Voice deepens a little Voice deepens, cracks • Body hair growth Body hair growth • Menstruation Sperm is able to be released
Skin Problems and Perspiration • Acne occurs when there are many pimples • Keep clean • Products can be purchased • See a Dermatologist • Sweat Glands • Increased through puberty • Odor- due to bacteria mixing with sweat on the skin • Deodorants/ shower/bathing- EVERYDAY
Changes During Adolescence Emotional Changes Related to hormones May have feelings you are unsure about due to too much or too little hormones being released. Concerns with Appearance Self-Conscious Learn acceptance of oneself Everyone is unique Learn to accept others and show them respect Unmature—think only about themselves
Social Changes During Adolescence • Relationships will change • Parent and friends • Earn more independence by showing maturity and responsibility • Examples: homework, pet, following rules/guidelines • Period of constant adjustment • Most problems go away • Some are more serious talk to someone trusted about it.
Genitals- organs outside the body • Foreskin/ Circumcision • Uneven growth of testicles • Scrotum may hang loosely or tighten and constrict based on temperature • Testicles make sperm about 60 days • Sperm production for entire life
Male physiology • Sperm start in the testicles • Go to the epididymis 18 hours to 10 days • Enter the vas deferens & are stored • Then the seminal vesicle gives off a fluid into a tube that runs through the prostate. • The mixture of fluids and sperm called semen • Semen moves to the urethra • Urine and semen can never leave the body at the same time
Sperm • Sperm have a round like head, a thicker middle part and a tail. • Tail is important to be able to swim to fertilize an egg.
Body Functions • Tip of the penis is sensitive • Normal state of the penis it is soft and limp • When the penis is stimulated, blood fills the spongy tissues. • The penis then stiffens and extends away from the body= ERECTION • All ages have erections. • Can be caused by full bladder, or tight clothing. • Erections are often related to hormone changes and to sexual thoughts/ dreams. Also morning…
Body Functions Continued • An ejaculation is very normal • Semen is released from the penis during an erection • Nocturnal emission (wet dream)- happens when a boy is asleep. Semen is ejaculated from the penis. • Not very much/ about a teaspoon. • Don’t be upset/ not controllable. Happens to many people.
Taking care of your sex organs • Keep a healthy diet, exercise, clean your body parts. • Uncircumcised hygiene is very important • Injury protection as well (Contact Sports) • Ask parents or trusted adults any questions
Protected by a ring of bone called the pelvic girdle • Organs outside the body called vulva • Hormones • Estrogen • Progesterone
Menstruation • http://kidshealth.org/parent/general/body_basics/female_reproductive_system.html • Three convenient styles make it easy to find protection that works for both your body and your lifestyle. • Pantiliners Great for period backupor everyday protection. • Pads Fresh, clean protectionfor any type of flow. • Tampons More versatile protectionthat won’t slow you down.
Menstruation • First period is called Menarche • Pre-menstrual tension • May or may not experience • Menstruation Stops • About the age of 45-50 or older • Stop releasing eggs • Menopause • Pregnant women experience this temporarily • Lining is needed to nourish the developing baby. • Be very clean • Exercise helps relieve cramps and discomfort • Make sure to wipe from front to back to avoid bacteria.
Fertilization of the Egg • Vaginal intercourse might take place once the partners are ready What is vaginal intercourse????? • Verbal explanation
Fertilization of the Egg • Millions of sperm pass into the vagina during an ejaculation. • Sperm swim through the cervix and into the uterus, then into the fallopian tubes. • Live up to 72 hours • If there is an egg in the tube at this time the sperm will try to join to the egg. • Hundreds try only one fertilizes the egg.
Fertilization continued • Fertilization does not occur every time there is vaginal intercourse. • Egg stays in fallopian tube for 24 hours. • If sperm are present the egg can be fertilized. • If not no fertilization will take place • Menstruation will follow in about 14 days and the unfertilized egg leaves the body with unneeded blood and tissue.