The first few weeks of pregnancy brings about many changes, but not all women will experience them in the same way. While the baby continues to grow rapidly, many women will not feel pregnant for weeks to come.
During the seventh week of pregnancy, the embryo is about the size of a blueberry, measuring one half-inch long. Despite his or her size, however, the embryo is already developing arms and legs along with a small tail, which will later disappear. The hemispheres of the brain develop during this week, as do the liver, appendix, and pancreas. The liver produces red blood cells until bone marrow forms, while the appendix and pancreas prepare to develop insulin, which will later regulate digestion. The umbilical cord is delivering oxygen nutrients to the embryo through the blood vessels that have already developed in the tiny embryo.
For the mother, week seven of pregnancy can mark the beginning of morning sickness. While not all women experience morning sickness, more than half who do will stop feeling nauseous by week fourteen of pregnancy; for others, it can continue throughout the pregnancy, even into the third trimester. The uterus is already twice the size that it was before pregnancy, and blood volume increases by 10 percent. Pressure on the bladder leads to more frequent urination, which will only get worse as the weeks go on.
Week seven of pregnancy can signal the beginning of the rough patch, as the first trimester is notorious for morning sickness and other unpleasant symptoms. However, most women will find relief as time passes.
Joseph has been writing articles online for nearly 5 years now. Along appreciating everything his wife endured during her pregnancies, he enjoys writing articles about families and gardening, check out one of his favorite web sites Garden Harvest Supply which offers tomato plants for sale.
