Pam and her husband were elated as they peer into Pam's uterus by means of ultrasound. The physician reports that the pregnancy appears normal, and that their baby's fingers, toes, heart and brain are developing as expected. At this stage the baby is over 4 cm in length and the sex can be determined. Given this information, the current stage of prenatal development is the:
A) germinal stage.
B) fetal stage.
C) embryonic stage.
D) stage of the zygote.

Question

Quizplus · Accepted Answer

The fetal stage is the third stage of prenatal development, occurring from the ninth week after conception until birth. At this stage, the organs continue to develop and the fetus becomes more active. In addition, sex can be determined at this stage. The germinal stage is the first stage, which lasts from conception to implantation, the embryonic stage is the second stage, which lasts from implantation to the eighth week after conception, and the stage of the zygote is the very beginning stage, before implantation.

Pam and Her Husband Were Elated as They Peer into Pam's