Treating Physician Law and Legal Definition. A treating physician is defined as âsomeone who provides you, or has provided you, with medical treatment or evaluation and who has, or has had, an ongoing treatment relationship with you.
In the first four weeks from conception, fetal growth of the ovum begins with development of the spinal cord, nervous system, gastrointestinal system, heart and lungs. By eight weeks, in the embryonic stage, the face is forming, arms and legs move, the baby's heart begins beating and the brain and other organs form.
It is divided into three stages, called trimesters: first trimester, second trimester, and third trimester. Conception to about the 12th week of pregnancy marks the first trimester. The second trimester is weeks 13 to 27, and the third trimester starts about 28 weeks and lasts until birth.