The baby’s development at 12 weeks corresponds to the 3rd month of gestation, is now approximately the size of a lemon and its essential development is complete and is already able to open the mouth and yawn, has hiccups and swallows, which stimulates the development of internal organs.
Although the placenta is still small, it is already formed and the umbilical cord begins to develop day by day, thinning and lengthing.
- At 12 weeks gestation.
- The baby’s heart is already working.
- The outer structures of the ear begin to move from the neck to the sides of the head and the middle and inner ears are already formed.
The ovaries or testicles develop inside the body, but the baby’s sex is not yet visible from the outside, as the genitals are not yet formed.
The baby spends most of her time in the fetal position, but is already very active and although the mother does not yet realize, she is already starting to move, opens and closes her mouth and swallows amniotic fluid, although the members are still very much in short, these early movements stimulate her growth and strengthening.
The first ultrasound should be done during the first trimester of pregnancy, between 11 and 14 weeks, see how the ultrasound is performed and what diseases can be detected.
The size of the fetus at 12 weeks gestation is about 6.5 cm long, from the head to the buttocks, about the size of a lemon and weighs about 14 g.
Changes in a woman’s body at 12 weeks of pregnancy become more apparent: the breasts grow and the superficial veins become more prominent and the abdomen begins to grow. At this stage, the woman is expected to sleep less and nausea will tend to decrease and she may experience headaches and dizziness.
Although weight gain recommendations during pregnancy depend on a woman’s weight before becoming pregnant, it is natural that in the first trimester there will be an increase of about 2 kg and in the second and third trimesters there will be an increase of about 500 g per week..
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