Dual protection or dual method is a strategy to reducing risk of pregnancy

Pregnancy

Pregnancy refers to the fertilization and development of one or more offspring, known as a fetus or embryo, in a woman's uterus. In a pregnancy, there can be multiple gestations, as in the case of twins or triplets...

 and getting sexually transmitted infections. Dual protection can be achieved by consistent use of condoms alone, both with other birth control

Birth control

Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. Birth control techniques and methods include contraception , contragestion and abortion...

 method or by avoidance of penetrative sex

Sexual intercourse

Sexual intercourse, also known as copulation or coitus, commonly refers to the act in which a male's penis enters a female's vagina for the purposes of sexual pleasure or reproduction. The entities may be of opposite sexes, or they may be hermaphroditic, as is the case with snails...

. Dual Protection Strategies Involve:

• Using condoms correctly with every act of sex.
• Using condoms consistently and correctly plus another birth control
  Birth control
  Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. Birth control techniques and methods include contraception , contragestion and abortion...
  
   method.
• Using birth control
  Birth control
  Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. Birth control techniques and methods include contraception , contragestion and abortion...
  
   method in mutually faithful relationship.
• Practice non-penetrative sex
  Non-penetrative sex
  Non-penetrative sex is sexual activity without vaginal, anal, or oral penetration, as opposed to the penetrative aspects of those activities...
  
  .
• Delay or avoid sexual activity
  Sexual abstinence
  Sexual abstinence is the practice of refraining from some or all aspects of sexual activity for medical, psychological, legal, social, philosophical or religious reasons.Common reasons for practicing sexual abstinence include:*poor health - medical celibacy...
  
  .

It is recommended for family planning providers to assess client's needs and behaviors:

Although experts' opinions vary on this topic and some of them consider correct and consistent use of condoms as the most effective way of preventing pregnancy and STIs.