Sexual reproduction- Methods of contraception
Summary • The body has its own immune system. The infections are combat by the white blood cells. But, during the sexual intercourse, the delicate tissue lining the vagina and urethra are torn and the microorganisms are directly let inside the body and will spread very easily throughout the body.
1 sexually transmitted disease
Syphil lis
A sexually transmitted disease caused by spirochetes bacterium. ØIt is contracted via sexual contact with a person infected with bacteria called spirochete which is cock-screw shaped Dubbed the "Great Imitator" because it was often confused with other diseases, particularly in its earlier stages. Syphilis can generally be treated with antibiotics, including
• The second stage of syphilis manifests itself 2 to 6 months after the infection wherein sores and rashes appear on the skin in the area of mouth, throat, and genitals. There may be severe hair loss and bald patches begin to form on the head. The lymph glands too swell. Theses symptoms might disappear after a point of time but the disease, in
• The third and last stage of syphilis manifests very harmful signs and symptoms. Herein, the internal organs, the brain and the spinal cord are damaged; paralyzing a person, blindness and heart failure too can occur a person can experience Note forand syphilis: Syphilis can be cured at insanity eventually death. all stages and if timely medical intervention is
sought. Antibiotics such as Penicillin cure syphilis. Syphilis can be prevented if the infected person does not indulge
1 chemical method of contraception Spermici dal
Not able to work alone because it is not effective enough- higher chance that sperms might cause pregnancy. Should be used with a barrier such as a condom or a cap.
1 surgical method of contraception
Vasecto my
àA minor surgical procedure wherein the vasa deferentia of a man are severed. àTied or sealed in a manner such to prevent sperm from entering the seminal stream (ejaculate).
1 other method of contraception Postcoital Douche Plain water, vinegar, and a number of "feminine hygiene” products are commonly used as postcoital douches. This douche serves to flush the sperm out of the vagina, and the additives to the water may kill sperms to reduce the chances of pregnancy.
How these methods of contraception are Spermicidal
It is inserted into the vagina of women thus killing sperms and cannot cause pregnancy.
How these methods of contraception are
Vasectomy involve cutting and blocking of both the left and right walls of the ductus, therefore the man's ejaculate will no longer contain sperm, and he will not be able to make a woman pregnant.
How these methods of contraception are used(other) Postcoital To rinse the vagina with a acidic chemical to kill Douche sperms and prevent them from causing pregnancy. Use of agents, devices, methods, or procedures which diminish the chances or prevent conception.
Pros and and cons cons of of these these Pros methods methods Pros Cons Vasectomy No need for general anesthesia. Lower cost compared to other surgical sterilization procedures. Spermicidal Available without a prescription, you can buy them in a drugstore and they do not require an office visit • Safe/no major side effects • Immediate return to fertility • Do not require partner cooperation
• Vasectomy Temporary local inflammation or swelling of the testes. • Chronic pain. • Spermicidal Do not protect against STDs, including HIV/AIDS: Can be messy, have a bad taste during oral sex, not as effective as other birth control methods, must put them in within about 15-20 minutes of having sex.
Pros and and cons Consof ofthese these Pros methods methods Pros Cons Postcoital Douche High chances to prevent STDs
Postcoital Douche Method is ineffective and unreliable as sperm has been found within the cervical mucus within 90 seconds after ejaculation.
Credits Lionel,Trav is,Dexter,D arryl, Yi Shuan Websites: www.wikipedia.org www.google.com www.yahoo.com