What do trimesters mean

Despite its name, it does not occur only in the morning. Weeks 14—27 are the second trimester. The fetus goes through many changes during this time, growing to be around 1 foot long and weighing 1. Many people feel more comfortable during the second trimester of pregnancy. Morning sickness and fatigue often reduce or disappear. The third trimester lasts from week 29 until delivery, which is usually around week It is also normal to feel anxiety about the delivery and parenthood toward the end of a pregnancy.

The 3 months after delivery play a key role in the health of the person and their baby. Some people call this transitional period a fourth trimester. While this can be an exciting time, the range of hormonal and environmental changes can pose challenges. These challenges might involve :. Anyone who experiences a persistent low mood, feelings of guilt or inadequacy, or thoughts of harming themselves or the baby should seek immediate medical care and guidance.

These can be signs of postpartum depression. Pregnancy, childbirth, and the first few months with a newborn are unlike any other time in life. They are full of new experiences, great uncertainty, upheavals, and many new emotions. Getting regular prenatal care is vital during each trimester. A doctor can help ensure that the fetus is meeting their developmental milestones and that the pregnant person is in good health.

Get Word of the Day daily email! Test Your Vocabulary. Test your vocabulary with our question quiz! Love words? Need even more definitions? Homophones, Homographs, and Homonyms The same, but different. Merriam-Webster's Words of the Week - Nov. Ask the Editors 'Everyday' vs. What Is 'Semantic Bleaching'? How 'literally' can mean "figuratively". Literally How to use a word that literally drives some pe Is Singular 'They' a Better Choice? The awkward case of 'his or her'. The first trimester is the most crucial to your baby's development.

During this period, your baby's body structure and organ systems develop. Most miscarriages and birth defects occur during this period. Your body also undergoes major changes during the first trimester. These changes often cause a variety of symptoms, including nausea, fatigue, breast tenderness and frequent urination. Although these are common pregnancy symptoms, every woman has a different experience.

For example, while some may experience an increased energy level during this period, others may feel very tired and emotional.