This informative, humorous and lively discussion of puberty, the opposite sex and parenting. Drinking alcohol while pregnant can cause serious health problems for your baby, including. Los Angeles County schools reportedly provide sex education classes. In the Netherlands, the approach, known as “comprehensive sex education,” starts as early as age 4. Childbirth classes can give you confidence as you head for labor and delivery — whether you're a first-time mom or a delivery room veteran.