Week 17 of Pregnancy
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1. The expanding uterus is now pushing up against your other abdominal organs.
2. The baby's rapid heartbeat, easily distinguished from your own, may be strong enough for a doctor to detect with a handheld probe.
3. The mouth opens and shuts regularly, and your baby can swallow, may yawn, and occasionally hiccups.
4. At 17 weeks the average crown to rump length is 4 in (10.1 cm) and the average weight is 2.5 oz (70 g).
5. Curling and stretching, arms and legs flailing, the baby is constantly changing position, lying first head-up and then head-down.
6. Fluid is pushed out of the lungs as the baby practices breathing movements.
Things are becoming lively in your uterus. Your baby has plenty of room to move around and he's making the most of it, stretching and turning. All the activity is good for his future physical and mental development. You might feel like some relaxation, so think about taking a break. The second trimester is usually regarded as the best time in pregnancy for traveling and getting out and about.
You are 16 Weeks and 1 Day Pregnant
Your baby todayAt this stage of development, your baby's lips and mouth are well formed, and she can open and close her mouth and swallow. Inside her mouth, her taste buds are now mature, but she cannot taste anything yet because nerve connections are immature.read more
You are 16 Weeks and 2 Days Pregnant
Your baby todayIn this color 2D ultrasound scan the baby is facing upward. The skull bones reflect the ultrasound beam most effectively and show as bright areas. The curved frontal bone of the forehead is seen just above the short nasal bone forming the bridge of the nose.read more
You are 16 Weeks and 3 Days Pregnant
Your baby todayThis 3D scan is taken from a viewpoint above the baby's head and looking over the shoulder, but since the baby is curled up the face cannot be seen. The placenta is to the right of the image, with the umbilical cord over the baby's arm.read more
You are 16 Weeks and 4 Days Pregnant
Your baby todayIn this 2D ultrasound, the baby's head is to the left, with the arms not visible, although the knee and lower leg can be seen. At this stage, details of the brain developing under the skull are becoming much more apparent.read more
You are 16 Weeks and 5 Days Pregnant
Your baby todayThe baby's face is partially obscured by the hand in this 3D image. Babies at this stage are small enough to fit onto the ultrasound screen, but beyond 20 weeks it is increasingly only possible to see a smaller part of the baby at any one time.read more
You are 16 Weeks and 6 Days Pregnant
Your baby todayYour baby often brings his hands to his face and sometimes sucks his thumb at this stage; however, the sucking action is not well coordinated and the thumb is more likely to enter the mouth by luck than design. The arms are now in proportion with the rest of the body.read more
