At 5 weeks pregnant, your baby is the size of a sesame seed and your body is gearing up for the big changes to come. We’ll explain what to expect, including symptoms and tips for a healthy ...

Week 7. Baby: Your baby is growing. They’re about the size of a pomegranate seed: 0.3 in. Limb buds appear that will grow into hands and feet. Many parts continue to develop: heart, lungs ...

See our pregnancy weeks to months chart, find out how long a trimester is, and learn how to calculate your due date. Baby Center. Pregnancy in weeks, months, and trimesters.

Research on week-by-week risk of miscarriage is limited, but we have early studies. According to one source, its about 25% at 4 weeks, 5% at 4-8 weeks, and 2% at 8-12 weeks.