It progesterone causes excessive sleepiness and fatigue women in early pregnancy. This is a kind of protection kid - until the placenta is formed, and the protection of the child yet, his mom is better to lead a quiet life.
Actively begin to work and other glands - the thyroid, pancreas, and adrenal glands. Due to this, an expectant mother accelerates metabolism, and the child begin to act vigorously nutrients.
In the first trimester, a woman may also feel the nagging pain in the abdomen, caused by increased blood flow to the uterus, increasing the sensitivity and swelling of the breasts. Very often there and symptoms of toxicity - nausea, salivation, and sensitivity to certain products.
Major changes occur in pregnant almost all organs. Cardiovascular system has to perform a double burden, providing utero-placental blood flow. Because of this woman's heart increases and throws more blood. Activity light is also enhanced to provide oxygen demand mom and baby. For two working liver and urinary system.
In the third trimester pregnant women are often observed heartburn caused by compression of the uterus grown stomach. The intestine is also shifted, which is why there is a delay promote its contents and constipation occur.
Significant changes are taking place, and with the appearance of a pregnant woman. She is gaining weight on average 10 to 14 pounds, it changes the status of the skin, hair and nails.
All of these factors can not affect the psychological state of the expectant mother. Very often women become irritable, cranky and whiny. Such a state is considered normal if it goes away after childbirth.