The first trimester is the earliest stage of pregnancy where your body starts to undergo major changes. Here’s what you can expect, including symptoms.

Feb 27, 2024 · During the first few months of pregnancy, amazing changes happen quickly. This part of pregnancy is called the first trimester. Knowing what physical and emotional changes to expect can …

Aug 22, 2022 · First Trimester The first trimester lasts until the end of the 13th week of pregnancy. You may begin feeling signs of pregnancy like nausea and tender breasts. Fetal development starts when …

May 30, 2025 · In this guide, we'll break down everything you need to know about the first trimester, from common symptoms to helpful tips for taking care of yourself and your growing baby. Whether …

During the first trimester, the fetus is most susceptible to damage from substances, like alcohol, drugs and certain medicines, and illnesses, like rubella (German measles). Your first prenatal visit is the …

Jan 18, 2025 · WebMD explains the first trimester of pregnancy. You'll find out what to expect during the first trimester, along with signs and symptoms to know you're pregnant.

The first trimester begins on the first day of your last menstrual period and lasts until the end of week 12. This means that by the time you know for sure you're pregnant, you might already be 5 or 6 weeks …

Jan 9, 2026 · The first trimester of pregnancy comes with a range of physical and emotional changes, from morning sickness and fatigue to the excitement of early development. Get practical guidance on …

Jan 6, 2026 · My Obgyne explains first trimester symptoms, prenatal visits, ultrasounds, and screening options, plus when to call your provider.

Sep 3, 2025 · In the UK, the first trimester of pregnancy starts from the first day of your last period and lasts until you're 12 weeks pregnant. During the first trimester of pregnancy, your body goes through …