opponent(Noun) An individual or group who is a rival of another. opponent(Noun) One who attempts to stop the progression of. opponent(Noun) One who objects to. opponent(Noun) In team sports, a player of an opposite team.
First Trimester (0 to 13 Weeks) 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.
First trimester (week 1âweek 12) During the first trimester your body undergoes many changes. Hormonal changes affect almost every organ system in your body. These changes can trigger symptoms even in the very first weeks of pregnancy. Your period stopping is a clear sign that you are pregnant.