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Semester 2 > Contraception > Flashcards

Flashcards in Contraception Deck (13):
1

What are the advantages of contraception?

Reproductive choice

Decrease in unwanted pregnancy/offspring

health benefits

Population control

2

What are the disadvantages of contraception?

Changes sexual habits

Increased promiscuity

Medical complications

Cost

3

What are the four strategies used in contraception?

Prevention of ovulation

Prevention of spermiogenesis

Prevention of sperm/egg ineraction

Prevention of implantation

4

Name three contraceptive methods

Natural/Physiological

Barrier

Hormonal

Surgical

5

Describe the rhythm method of contraception

Avoid intecourse for 3-4 days on either side of predicted ovulation. Ovum has a limited period of fertility therefore reduced change of sperm/egg interaction. 

Period of fertility is assessed by measuring changes in basal body temperature and examining cervical mucus. 


Benefits: Cheap, no side effects or medical contraindication, no religious or ethical issues. 

6

Name three physiological forms of contraception

Rhythm method

Coitus interruptus (ineffective)

Lactation

7

How does lactation reduce fertility?

Regular breastfeeding is regulated by prolactin which stimulates the mammary glands to produce milk. 

High levels of prolactin supresses the HPO axis (GnRH, oestrogen)

8

Name three barrier methods of contraception

Condom

Diaphragm and cervical cap

Spermicide

9

Name three hormonal methods of contraception

Combination pills

Progesterone only pills

Vaginal rings

Progesterone implants

10

Name three benefits of the combination pill

Decreases anaemia

Decreases dysmenorrhoea

Decreases PMT

Decreases ovarian cysts/ovarian cancer

Decrease in endometrial cancer

Decrease in ectopic pregnancy

11

What are the adverse effects of oral contraceptives?

Weight gain

Loss of libido

Breast tenderness

Acne

12

How does the combination pill reduce fertility?

Contains oestrogen and porgesterone 

Oestrogen suppresses gonadotrophins, preventing follicular development, ovulation and luteinization

Progesterone affects cervical mucus, making it more acidic, reduces tubal motility. 

13

What is the mini-pill?

Progesterone-only pills (normally used in women who have contraindicationd for combination pill)

Affects cervical mucus and endometrium, requires high compliance (need to be taken every 24hrs)

Few side effects due to low dose of progesterone

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