A woman has been told by her physician that her pregnancy has progressed 44 days since her last menstrual period. Approximately how many days has the embryo been developing and what developmental events are occuring at this time?
At 44 days since her last menstrual period, the embryo has been developing for approximately 6 weeks and 2 days.
At this stage of development, the embryo has already gone through several important developmental events. The embryo has now developed a neural tube, which will eventually become the brain and spinal cord. The heart has also begun to beat and pump blood throughout the body. Limb buds are present, and the embryo's body is starting to take shape. The eyes and ears are forming, as well as the beginnings of other organs such as the liver, kidneys, and intestines. Overall, the embryo is rapidly growing and developing during this time.