Contraception

Question 1

lacctational amenorrhoeah

Answer 1

• exclusive breastfeeding day and night
• woman is amenorrhoeic
• infant is under 6 months old

Question 2

fertility awareness (3)

Answer 2

• Rhythm: mid-cycle ovulation
• Temperature: body temperature drops 12-24h before ovulation
  Cx Mucus: recognition of fertile days by appearance and sensation of mucus at vulva: wed, slippery mucus indicates fertility

Question 3

Barrier methods

Answer 3

Male condoms: traps semen, highly efficient
Female condoms: prevents passage in to genital tract, efficiency unknown
Female diaphram: dome covering Cx

Question 4

IUD

Answer 4

IUD: stimulates chane in endometrium and unterine tubal fluid, thickens Cx mucus. coper and progesterone.
alters bleeding
highly effective

Question 5

COC pill

Answer 5

supression of FSH and LH
Estrogen: supresses FSH > follicle maturation > reduces LH via negative feedback to GnRH
Pogesterone: inhibits LH, thickens Cx mucus and thins endometrium

Question 6

COC pill complications

Answer 6

Thromboembolism: estrogen increases blood clotting factors
Hypertension
Lactation: estrogen suppresses prolactin action at breasts
Other: weight gain, headaches/migraines, increase risk of Cx and breast cancers, alter liver function

Question 7

POP

Answer 7

• Thickens Cx mucus

- Strict compliance req’d

Question 8

Progesterone

Answer 8

• injection: 3 monthly
• Implants: 3 yearly
• Patch: dermal release. change weekly
• contraceptive ring: remove after 3 weeks, change 4 weekly

Question 9

Sterilisation

Answer 9

Tubal ligation: removal of part of fallopian tube and closer of ends by clips or ring
Vasectomy: removal of portion of vas deferens and closer of open ends or application of clip.
Reversals performed with varying success