When do an embryo’s eyes begin to face forward?

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Close-up of a home pregnancy test device showing a blue plus sign in the result window, indicating a positive result for pregnancy. — pregnancy Devices for individual use at home detect pregnancy by measuring levels of the hormone human chorionic gonadotropin (hCG) in urine.

During the seventh and eighth weeks of prenatal development, the human face rapidly acquires a more recognizable appearance. During this period, the eyes, which were previously located on the sides of the head, shift to become directed forward.1