Pregnancy: Month by Month

Nikki West

This informational guide will give you information on the following things: The size of your baby in the womb, A comparison of the fetus to food, The development of your baby, and Symptoms that the mother will experience throughout all nine months.

First Month

  • Size of the Fetus: Length: 1/4 inches long, Weight: 1/4 oz.
  • Your baby is the size of a poppy seed.
  • Development: 1. The mouth, lower jaw, and throat are developing. 2. Blood cells are taking shape, and circulation will begin. 3. The "tiny" heart tube will beat 65 times a minute by the end of the 4th week.
  • Symptoms mother's will experience: 1. Breast tenderness 2. Heightened sensitivity to certain smells.

Second Month

  • Size of the Fetus: Length: 1 inch long, Weight: 1/30 oz.
  • Your baby is the size of a Blueberry.
  • Development: 1. The neural tube is well formed. 2. The digestive tract and sensory organs begin to develop. 3. Bone starts to replace cartilage.
  • Symptoms mother's will experience: 1. You'll have cravings 2. Wild dreams

Third Month

  • Size of Fetus: Length: 4 inches long, Weight: 1 oz.
  • Your baby is the size of an egg.
  • Development: 1. Arms, toes, hands, feet, arms are fully formed 2. The liver produces bile 3. The beginnings of teeth are forming.
  • Symptoms mother's will experience: 1. Belly starts to show 2. Vision may be blurry.

Fourth Month

  • Size of Fetus: Length: 6 inches long, Weight: 4 oz.
  • Your baby is the size of an avocado.
  • Development: 1. Eyelids, eyebrows, nails, eyelashes, and hair are formed 2. Teeth and bones become denser 3. They can yawn, suck their thumb, stretch, and make faces.
  • Symptoms mother's will experience: 1. Feeling your baby kick 2. Constipation, bloating, and gas.

Fifth Month

  • Size of Fetus: Length: 10 inches long, Weight: 1/2 to 1 pound.
  • Your baby is the size of an artichoke.
  • Development: 1. Hair begins to grow on baby's head 2. Starts "quickening" 3. Baby's skin is covered in a whitish coating called vernix caseosa.
  • Symptoms mother's will experience: 1. May have nightmares 2. Insomnia and worries of becoming a mother.

Sixth Month

  • Size of Fetus: Length: 12 inches long, Weight: 2 pounds.
  • Your baby is as long as an ear of corn.
  • Development: 1. Baby's finger and toe prints are visible 2. The eyelids begin to part and the eyes open 3. Baby's skin is reddish, wrinkled, and veins are visible through the translucent skin.
  • Symptoms mother's will experience: 1. Tired and achy 2. Trouble sleeping.

Seventh Month

  • Size of Fetus: Length: 14 inches long, Weight: 2 to 4 pounds.
  • Your baby is the size of a kabocha squash.
  • Development: 1. Develop reserves of body fat 2. Hearing is fully developed 3. Amniotic Fluid begins to diminish.
  • Symptoms mother's will experience: 1. Insomnia 2. Musculoskeletal pain.

Eighth Month

  • Size of Fetus: Length: 18 inches long, Weight: 5 pounds.
  • Your baby is the size of a napa cabbage.
  • Development: 1. Brain is developing rapidly 2. Baby can see and hear 3. Internal systems are well developed.
  • Symptoms mother's will experience: 1. Heartburn 2. Shortness of breath.

Ninth Month

  • Size of Fetus: Length: 18 to 20 inches long, Weight: About 7 pounds.
  • Your baby is the size of a canary melon.
  • Development: 1. The lungs are nearly full developed 2. The baby drops down in your pelvis 3. Baby's reflexes are coordinated, can blink, turn head, grasp firmly, and respond to sounds.
  • Symptoms mother's will experience: 1. Belly may feel lighter 2. Contractions.