Rhiannon went to the doctor for an ultrasound. the doctor told Rhiannon that her baby has a skeleton and muscles. the organism is in the ''fetal'' stage, and it is about ''10 weeks'' since conception.
A fetus is a human being who is still developing before birth. The fetal stage lasts from the start of the ninth week after fertilization until approximately 38 weeks following fertilization, when birth typically occurs. About 30 weeks total make up the fetal stage.
In week 10 of pregnancy, the baby no longer qualifies as an embryo but as a fetus instead! Simply put, these two phrases describe several stages of development. Major organs like the brain, heart, and lungs, as well as the arms and legs, are formed during the embryonic stage.
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