Nonhormonal and Mechanical Contraception
Contents
Not true of vaginal diaphragm as a contraceptive device –
A. Requires additional spermicidal agent
B. To be removed immediately after the last coital act
C. Made of latex with flexible metal ring
D. Distance from symphysis pubis to posterior fornix gives the approximate diameter of the diaphragm.
Regarding nonoxynol-9 (N-9) spermicide use not true is
A. People who have HIV can safely use
B. Can cause allergic reactions
C. Increases the risk of urinary tract infections
D. Acts by causing sperm immobilization
Lactational amenorrhea acts as a contraceptive by –
A. Natural suppression of the LH surge
B. High estrogen levels after childbirth
C. Withdrawal of progesterone
D. Cycle irregularity
Lactational amenorrhea is highly effective if
A. Infants are exclusively fed breast milk on demand
B. When infants are under six months of age
C.When the woman has not yet resumed menses
D. All of the above
Vaginal contraceptive sponge contains
A. Nonoxynol-9
B. RU- 486
C. LNG-IUS
D. Benzalkonium chloride.
Not true of barrier methods is –
A. Protection against cervical cell abnormalities
B. Reduces the incidence of tubal infertility
C. Failure rate is around 50%
D. No contraindications for non latex condoms
In short
- Barrier contraceptives prevent against sexually transmitted diseases likegonorrhea, chlamydia, HPV and HIV. Also, protect against pelvic inflammatory diseases and ectopic pregnancy
- Female condom is a pouch made of polyurethane which lines the vagina
and also the external genitalia. It is 17 cm in length with one flexible polyurethane ring at each end.
- Chemicals used for contraception are-
- Creams — Delfen (nonoxynol-9, 12.5 %)
- Jelly — Koromex, Volpar paste
- Foam tablets—Aerosol foams, Chlorimin T or Contab, Sponge (Today)
