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Conception
Conception happens when the sperm finds the egg on the fallopian tubes and fertilizes it. The cells start to divide and the fertilized egg is now a zygote and starts going to the uterus. -
The first month
The zygote attaches to the uterus and becomes an embryo.
In the second week, it's a critical stage for brain and spinal development. Internal organs and circulatory systems start to form and the heart starts beating. The mom already missed a menstrual period. -
The second month
The embryo is about 1/4 inch long as the month begins. The face, eyes, ears and limbs take shape. Bones begin to form. The mom's breast begin to swell. She starts feeling pressure on the bladder from enlarging uterus results in need to urinate more frequently. She possibly fells nausea ("morning sickness") and fatigue is common. -
The third month
The fetus is about 1 inch long. Its nostrils, mouth, lips, teeth buds and eyelids form and fingers and toes are almost complete. Now all organs are present, although immature. At the end of the month the embryo becomes a fetus. The mother's breasts become firmer and fuller, may ache. Nausea, fatigue and frequent urination may continue. Her abdomen becomes slightly larger and the uterus is about the size of an orange. She may gain 2-4 pounds. -
The fourth month
The fetus is about 3 inches long and 1 ounce. It can suck its thumbs, swallow, hiccup and move around. Facial features become clearer and you can determine the gender. The mom's abdomen continues to grow slowly,most discomforts of early pregnancy usually gone and appetite increases. -
The fifth month
The fetus is about 6 1/2-7 inches long and about 4-5 pounds. Its hair, eyelashes and eyebrows appear; teeth continue to develop, organs are maturing and the fetus is more active. The mom's enlarged abdomen becomes apparent, slight fetal movements felt and increased size may begin to affect posture. -
The sixth mouth
The is about 8-10 inches long and 8-12 ounces. The fetus appears wrinkled, although it has fat deposits under skin. It also starts its breathing moments. The mother starts feeling fetal movements as kicks, thumps and bumps may be visible and she may gain about 10-12 pounds. -
The seventh month
The fetus is about 10-12 inches long and 1 1/2-2 pounds. The fetus experiences periods of activity followed by periods of rest and quiet. Increased size may affect posture. -
The eighth month
The fetus is about 14-16 inches long and 2 1/2-3 pounds. The fetus gains weight rapidly, may react to loud noises with a reflex jerking action and moves into head-down position. The mother may feel discomfort from increased size, backache, leg cramps, shortness of breath and fatigue are common; fetal kicks may disturb the mother's rest and she may gain about 18-20 pounds. -
The ninth month
The fetus is about 17-18 inches long and 5-6 pounds. Its continues to gain weight until the week before birth,skins becomes smother as fat deposits continues,movements decrease as the fetus has less room to move around, acquires disease-fighting antibodies from the mother's blood. The mom feels "lightening" as the fetus drops into the pelvis,beating becomes easier,other discomforts may continue,she gains about 25-35 pounds and false labor pains may be experienced. -
Birth
The mom goes into labor. She feels contractions and starts dilating. When she reaches 10cm dilated, the baby starts to come out, until it's completed out and the mom has her newborn into her arms.