Summary

A simple guide to early pregnancy changes in the first trimester. Describes how a baby develops from weeks 1 to 12, with early formation of major organs and growing movement by month 3, along with common changes for the pregnant person such as nausea, fatigue, frequent urination, and modest weight gain. Encourages small frequent meals, early prenatal checkups, keeping appointments, and avoiding alcohol, tobacco, drugs, and sexually transmitted infections to reduce risks like miscarriage and birth defects.