Layout 1

Chapter 6

Figure 6.2

Birth Control Methods and Their Effectivenesscontinued

Category

Barrier Methods

Method % Effective Advantages Disadvantages

Condom,male 85% Nonprescription.

Applied

immediately

beforeintercourse.

Inexpensive.Offers

someprotection

againstsexually

transmitted

diseases(STDs).

Entails male

responsibility;

loss of female

control.

Interrupts sex.

May break.

Withdrawal 73% Requiresno

purchases.

Interrupts sex.

Condom,female 79% Nonprescription.

Applied

immediately

beforeintercourse.

Offerssome

protectionagainst

STDs.

Expensive.

Interrupts sex.

Diaphragm with

Spermicide

84% Inserted into

vagina before

intercourse and

left in place at

least 6 hours

after; can be left

in place for 24

hours,with

additional

spermicide for

repeated

intercourse.

Possible side

effects: irritation

and allergic

reactions,urinary

tract infection.

Risk of toxic

shock syndrome,

a rare but serious

infection,when

kept in place

longer than

recommended.

Spermicide alone 71% Nonprescription.

Inserted between

5 and 90 minutes

before intercourse

and usually left in

place at least 6 to

8 hours after.

Possible side

effects: irritation

and allergic

reactions,urinary

tract infections.