Westonci.ca is the best place to get answers to your questions, provided by a community of experienced and knowledgeable experts. Get detailed and precise answers to your questions from a dedicated community of experts on our Q&A platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Eliza is undergoing in vitro fertilization, and her physician is explaining prenatal development. Dr. Sanchez has just told her that the zygote will attach to the uterine wall and various body structures will begin to differentiate during cell division. For example, arms and legs will begin to develop. What stage is dr. Sanchez explaining?.