Stages of pregnancy

Pregnancy is the state of having a developing fetus or embryo in the body of women. The combination of an egg present in the female body with male’s sperm is termed as conception which leads to the production of the embryo. It comprises of the period from the time of conception to the fetus’s birth and normally lasts for a period of 40 weeks in 280 days period.
First month of Pregnancy

The embryo is measured at approximately one-eighth of an inch long and weighs around one-thirty two of an ounce.
Second month of Pregnancy

The embryo is measured at approximately a inch long and weighs around 5/16 of an ounce. During this period, there is the formation of the head and tail of the embryo and pulsation of the child can be noted. There is also the determination of the sex glands and at this stage, the facial features start to form and this is the most critical time of the child’s development.
Third month of Pregnancy

The embryo turns into a fetus at this stage and the occurrence of limb movements occur during this time. The fetus is 13 inches long from the head to the heel and normally weighs around one ounce. The waste of the child, urine, is transferred to the circulatory system of the mother by crossing the placenta.
Fourth month of Pregnancy

The limb movements during this period are coordinated but not strong enough for the mother to feel it. There is also patterning of the scalp hair during the fourth month. The fetus is around 6 inches long and weighs approximately 4 ounces during this month.
Fifth month of Pregnancy

This is the time when the mother can actually feel the movements of her child. The skin of the child is covered with a greasy material called "vernix caseosa" and it helps to protect his delicate fetal skin from cuts and hardening which could occur due to the exposure to the amniotic fluid. The fetus weighs approximately one pound and is usually 10 inches long.
Sixth month of Pregnancy

At this stage, the child experiences rapid eye movements and fingernails of the child are formed. There is a considerable weight gain during this month. The fetus weighs approximately 1.5 pounds and is around 13 inches long during the sixth month.
Seventh month of Pregnancy

During the seventh month, the eyes start to open partially and eyelashes are formed. There is a good amount of hair on the head in addition to the development of the lungs and the blood circulation system. The fetus weighs approximately 3 lbs and is around 1415 inches long.
Eighth month of Pregnancy

The fetus shows an impulsive orientation to light. The fetus weighs approximately 3.54.5 lbs and is around 1618 inches long.
Ninth month of Pregnancy

During this stage, the hair that is covering the body of the child went off and the toenails begin to reach the toe tips. At 36 weeks, the body appears plump. The hair covering the body is almost gone. The expected date of delivery of the fetus is approximately 266 days. A healthy child is assumed to be of 68 lbs at the time of his birth and about 1921 inches long.