Ashley is six weeks pregnant with her first child, and is reading everything she can to learn about what is happening as the child inside her grows. she reads about the periods of prenatal development, and is fascinated to learn that she is in the period of the

embryo

Explanation:

An embryo is the early stage of the development of the diploid cell called as zygote. It is formed by the continuous cell division and differentiation of the zygote. It is the unborn offspring which is in the state of development. In humans the embryonic state remains from second to eighth week after the process of fertilization. After eighth week the embryo is called as fetus.

According to the given situation, the six weeks of pregnancy is indicative of embryonic state.