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Week 4: Wag that tail

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Topic Week 4: Wag that tail

Post by *** Dannii *** on Sat Sep 06, 2008 12:42 pm

Fetal development in pregnancy week 4:



embryo in first month
By the end of this week the round and pointy ends of your little
pear-shaped baby will be slightly more exaggerated and their body will
look more like that of a miniature manatee. Despite your baby not
looking particularly human without any eyes, ears or mouth, the
earliest developments of what will become the larynx, internal ear, and
eye lens are already forming, although you’d have to be a trained
expert to recognize them for what they’re going to be in the future.
Likewise, tiny bumps are forming on your little embryo which will
eventually be their cute little arms, elbows, fingers, legs, knees and
toes. What’s more your little swimmer will have a teeny tiny tail by
the end of this week-- but don’t worry, it’s just the end of their
developing spinal cord! A microscopic photo would reveal what seems to
be their vertebrae filling out the spine and tail. Although they aren’t
bones yet, but rather, the “bone seeds” that will give rise to your
baby's tiny vertebrae, ribs and sternum.

And how's mom doing?

This week is not unlike the previous weeks; your pregnancy symptoms may
be increasing, as expected. In fact, the earliest symptoms of morning
sickness may set in for some women at this time. The not-so-lovely
symptoms run the normal flu gamut including: nausea and vomiting.
Although this typically the whole reason for
morning sickness: to clear your system of any toxic food by-products
which—although fine for your adult stomach, could cause considerable
harm to your baby’s newly forming digestive tract and other body
systems occurs in the morning and resolves itself by midday,
morning sickness can come at any time, day or night, so—for some of
you, you’ll just have to make frequent stops throughout the day to
kneel before the porcelain throne. In general, most pregnant women
don’t experience morning sickness until their sixth week, but it never
hurts to know what vomit-y fate may be awaiting you.Morning
sickness is due to several changes that are taking place in your body.
First, you are now pumping out significantly larger amounts of estrogen
and progesterone than normal, and your body is not used to this.
Interactions between the hormones and your stomach result in the
less-than-wonderful nausea. Also, your GI-tract is much more sensitive
and some doctors theorize that this sensitivity is potentially the
whole reason for morning sickness: to clear your system of any toxic
food by-products which—although fine for your adult stomach, could
cause considerable harm to your baby’s newly forming digestive tract
and other body systems . If it helps, you could always think of the
morning sickness as a baby-facilitated body cleanse.
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*** Dannii ***
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