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01-May-2020 04:13

The 1 in (2.5 cm) long fetus has a complete cartilage skeleton, which is replaced by bone cells by month's end.

Arms, legs and all of the major organs begin to appear. By now, the fetus has grown to 4 in (10 cm) and weighs a little more than an ounce (28 g).

Nausea and vomiting are very common symptoms and are usually worse in the morning and during the first trimester of pregnancy.

At this point, the mother may feel her baby move, and she can hear the heartbeat with a stethoscope.

Even though its lungs are not fully developed, a fetus born during this month can survive with intensive care.

This may relieve pressure on the upper abdomen and the lungs, allowing a woman to breathe more easily.

However, the new position places more pressure on the bladder.Now the major blood vessels and the roof of the mouth are almost completed, as the face starts to take on a more recognizably human appearance. All the major organs are now beginning to form; the kidneys are now functional and the four chambers of the heart are complete.