12 weeks – a plum!

Baby is about the size of a plum, measuring about 2 1/2 inches crown to rump. Baby weighs about an ounce.

Baby’s head is about one half of the length from crown to rump and rests upon baby’s neck rather than shoulders. The salivary glands are starting to function.

All body systems and organs are formed and will continue to mature until birth. The lungs are maturing. Amniotic fluid is now inhaled and exhaled by baby. The muscles and nervous system continue to mature. The thyroid and pancreas glands are making hormones. Baby’s bone marrow is creating white blood cells.

The intestines, which were forming in the umbilical cord are now moving into baby’s abdomen. Muscles in the digestive tract can now contract. Baby’s sex organs are now formed.

Arms are now proportional to the body and hands are more “functional.” The legs are still shorter proportionally for now.

Best of all, baby’s heartbeat is now heard loud and clear!


Information gratis https://www.medicalnewstoday.com/ and https://www.whattoexpect.com/pregnancy/week-by-week/week-12.aspx#section-baby

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