3rd Month

Weeks 12 to 16



Your Baby

Your baby measures about 6 inches long and weighs about 1/4 pound by the end of this month

Amniotic fluid around your baby equals about 1 cup

Your baby swallows amniotic fluid and its tiny kidneys return the fluid back into the amniotic sac

The umbilical cord is well formed and blood is circulating between your infant and the placenta

Your baby can move but it is still too tiny to be felt by the mother

Its heart beats 120 to 160 beats per minute

Your baby's vocal cords are formed

The sex of your baby is easy to tell now, if you could see inside the uterus

By the end of this month your baby's ears, arms, hands, fingers, legs, feet, and toes will be completely formed

Reflex movements allow your baby's elbows to bend, legs to kick, and fingers to form a fist

Its taste buds are forming

Its neck is well defined and its head (still the largest part) can be held erect.


Your Body

Your weight gain has been small so far--probably about 2 to 3 pounds

Your appetite may begin to be more infrequent

Your nausea begins to be more infrequent

You may sweat more easily than usual

Your uterus is now big enough to be felt above the pubic bone; you may even notice its gets hard from a contraction

The placenta is now completely formed and hormones are produced in amounts needed to keep your pregnancy healthy

You'll begin to feel more energetic by the end of this month

Pregnancy may seem like a more stressful time of feeling all sorts of emotions; you may be happy and sad without any good reason that you can think of

Your Responsibility

Get your prenatal check-up this month

Eat a balanced diet with plenty of protein, fresh fruits, and vegetables

Drink at least 6 to 8 glasses of water each day

Avoid using cigarettes, alcohol, caffeine and any unprescribed medication

Get some exercise every day--like walking 15 minutes each day

Avoid using paint (except latex), pesticides, and aerosol sprays during your pregnancy

Examine your budget and begin to set aside some money for baby items

Ask about any changes in your body that worry you

Allow yourself and your partner time to adjust to both negative and positive feelings about this pregnancy; besides your partner, you may want to have someone else you can share all of your feelings with who won't laugh at or judge you.


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