Respuesta :
The embryo will start to form testes, which will release testosterone to promote the formation of other male structures.
What does a five-week-old embryo look like?
The embryo is about 2mm long at this point. The heart is developing as a straightforward tube-like organ. Blood circulation has already started in your baby because it has part of its own blood vessels. These blood veins form the umbilical cord, which joins you to your unborn child.
A five-week-old embryo's size.
The embryo is still extremely little but growing swiftly at five weeks. Think of a little rice grain or an orange seed. Your infant might be between 0.05 and 0.10 inches long at this point, with a form like a little tadpole.
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