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Physiological Changes in Pregnancy

During the period of pregnancy women go through series of physiological changes which greatly vary from woman to woman as well as from the period of pregnancy which is commonly divided into three periods – the trimesters, each about three months.

The early medical signs of pregnancy usually include missed menstruation

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In the first trimester (besides missed menstruation period) the majority pregnant women experience morning sickness, which is characterized by nausea and vomiting usually after breakfast time every day for about two or three weeks when it disappears on its own. Other common physiological changes in the first trimester of pregnancy also include changes in size of breasts, frequent urination, gastrointestinal disorders such as stomach cramping, and mood swings.

Physiological Changes in Pregnancy

In the second trimester the pregnant woman usually feel the first moves of the developing fetus and generally feel more energized. By the beginning of the second trimester the morning sickness usually fades away but hormonal changes may cause pigmentation (darkening) of the skin and effect digestion resulting heartburn and constipation. In the second trimester the belly starts to grow due the growth of the fetus, while pregnant women also start to gain weight what in some women results stretch marks, itchy skin, and abdomen and low back pain. Many pregnant women during the second trimester also experience swelling and tingling of the fingers and feet, nosebleeds and gum bleeds, and vaginal discharge.

Physiological Changes in Pregnancy

In the third trimester of pregnancy takes place the final weight gain, while belly transforms in shape due the fetus turning in a downwards position. In the third trimester fetus’ moves are more frequent and intense. Pregnant women in the third trimester also experience continuation of previous symptoms which are often more intense: urinary frequency, swelling of fingers, feet and face, leg cramps, back pain, trouble sleeping, vaginal discharge, constipation, heartburn, and worsening of hemorrhoids and varicose veins.

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