| A | B |
| abstinence | avoiding sexual activity completely |
| miscarriage | the expulsion of a baby from the mothers body before 20 weeks of pregnancy |
| stillbirth | loss of fetus after 20 weeks of pregnancy |
| premature | babies that are born before 37 weeks of development and weigh less than 5 lbs 8oz at birth |
| low birth weight | babies who weigh less than 5lbs 8oz at birth |
| sexually transmitted diseases | infectious illnesses that are passed primarily through sexual contact |
| teen sexuality | a persons self concept as a male or female linked with physical, intellectual, emotional and social development |
| instant family | when a blended family bring children from a previous marriage |