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.
Bleeding in the First Trimester. About 20% of women have some bleeding during the first 12 weeks of pregnancy. Implantation bleeding. You may experience some normal spotting within the first six to 12 days after you conceive as the fertilized egg implants itself in the lining of the uterus.