Time to switch things up. Something you won t see on the ultrasound but you ll learn is in working order is your baby s nervous system which is maturing rapidly when you re 18 weeks pregnant.

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Your cardiovascular system is undergoing dramatic changes and during this trimester your blood pressure will probably be lower than usual.

18 weeks fetus development. That s because baby and your uterus is getting big enough to press against large veins in the back of your abdomen which can reduce the amount of blood going to your heart making you feel lightheaded or worse lowering your blood pressure. If you re having a girl her ovaries contain more than 2 million eggs. Halfway through your pregnancy typically between weeks 18 and 20 your health care provider might recommend a detailed ultrasound examination to check your unborn baby s development.

Pregnancy week 18 fetal development. Your baby is approximately 6 inches 14 2 centimetres long from crown to rump and she weighs about 190 grams. Your baby s ears are in position and stand out from her head.

Many moms already clearly feel the toddler s movements and it gives them great joy. An increase in appetite and specific food cravings are pretty common about now. See how your baby is developing at 18 weeks of pregnancy.

Pregnancy symptoms during week 18. Your baby will need bile to digest nutrients and at 18 weeks the gall bladder may begin to work. They ll also be moving around a lot so now s a good time to start to be more vigilant to any sign of your little one s arms and legs thrashing around your belly.

Your baby s ears are in position and stand out from her head. Around 18 weeks your baby s ears will begin to stand out from of the sides of the head and may even begin to register sounds. Your baby is about 14 2cm 5 6in from head to bottom crown to rump almost the size of a bell pepper and weighs up to 190g 6 7oz visembryo 2014.

18 weeks pregnant symptoms ultrasound fetus development. See how your baby is developing at 18 weeks of pregnancy. For many women this is the first and only ultrasound they will receive during their pregnancy.

Many of the baby s reflexes are developing at this stage including hearing swallowing and sucking. The fifth month goes on and you re 18 weeks pregnant. The belly is growing and it is hard not to notice it.

Your baby s tiny fingers now have fingerprints and her veins and organs are clearly visible through her skin. Your baby is the size of a pea pod. Nerves now covered with a substance called myelin that speeds messages from nerve cell to nerve cell are forming more complex connections.

Your baby is busy flexing her arms and legs. Starting around 18 weeks pregnant you should begin to sleep on your side instead of your back. Your baby is busy flexing her arms and legs.

This is the last week of your first trimester.