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Calendar of your baby’s development – 4

Posted on March 4, 2010 by News Health

Week 11

Your Baby’s Development

From this week until week 20, your baby will be growing rapidly — increasing in size from about 2 inches (5 cm) to about 8 inches (20 cm) from crown to rump. To accommodate all this growth, the blood vessels in the placenta are increasing in both size and number to provide the baby with more nutrients.

Facial development continues as the ears move toward their final position on the sides of the head. If you saw a picture of your baby now, you’d think you had a genius on your hands — the baby’s head accounts for about half of the body length!

Although your baby’s reproductive organs are developing rapidly, the external genitals of boys and girls appear somewhat similar until the end of week 11. They will be clearly differentiated by week 14.

Your Body

Nourishing your baby usually requires that you gain weight — and in most cases, the recommended weight gain is 25 to 35 pounds (11.33 to 15.87 kg) over the course of the pregnancy. If you were overweight or underweight before pregnancy, your health care provider may have different recommendations for weight gain.

Week 12

Your Baby’s Development

Your baby’s brain continues to develop, and tiny fingernails and toenails start to form. Vocal cords are formed this week, which is the last of your first trimester.

Your baby’s kidneys are functioning! After swallowing amniotic fluid, your baby will now be able to pass it out of the body as urine. And the intestines will make their way into the abdomen, since there is room for them now.

Your Body

Has anyone told you that you have that “pregnant glow”? It’s not just the joy you may feel because you’re having a baby — there’s a physiological reason for smoother, more radiant skin during pregnancy. Increased blood volume and pregnancy hormones work together to give you that glow. The greater blood volume brings more blood to the blood vessels and hormones increase oil gland secretion, resulting in a flushed, plumper, smoother skin appearance. Sometimes, though, the increased oil gland secretion can cause temporary acne.

Week 13

Your Baby’s Development

As you begin the second trimester of pregnancy, your placenta has developed and is providing your baby with oxygen, nutrients, and waste disposal. The placenta also produces the hormones progesterone and estrogen, which help to maintain the pregnancy.

By now, the baby’s eyelids have fused together to protect the eyes as they develop. Once you take your newborn home, you might be wishing for those eyes to close once in a while so you can get some rest!

Your baby may also be able to put a thumb in his or her mouth this week, although the sucking muscles aren’t completely developed yet.

Your Body

At your first prenatal appointment, your health care provider probably gave you a prescription for prenatal vitamins. Taking these supplements, in addition to eating a healthy diet, ensures your baby gets additional vitamins and minerals, such as folic acid, zinc, iron, and calcium, which are necessary for growth and development. Talk to your pharmacist about the best way to take your vitamins, such as whether they should be taken with food or beverages.

Week 14

Your Baby’s Development

By this week, some fine hairs have developed on your baby’s face. This soft colorless hair is called lanugo, and it will eventually cover most of your baby’s body until it is shed just before delivery.

By now, your baby’s genitals have fully developed, though they may still be difficult to detect on an ultrasound examination. In addition, your baby starts to produce thyroid hormones because the thyroid gland has matured. Your baby now weighs about 1.6 ounces (45 grams) and is about 3.5 inches (9 cm) long from crown to rump.

Your Body

Under certain circumstances (for example, if you’re older than 35), your health care provider may discuss amniocentesis with you. Amniocentesis is a test usually done between 15 and 18 weeks that can detect abnormalities in a fetus, such as Down syndrome. During this test, a very thin needle is inserted into the amniotic fluid surrounding the baby in the uterus and a sample of the fluid is taken and analyzed. Amniocentesis does carry a very slight risk of miscarriage, so talk to your health care provider about your concerns and the risks and advantages of the test.

Week 15

Your Baby’s Development

Parents are often amazed by the softness of their newborn’s skin. Your baby’s skin has been continuously developing, and it is so thin and translucent that you can see the blood vessels through it. Hair growth continues on the eyebrows and the head. Your baby’s ears are almost in position now, although they are still set a bit low on the head.

Internally, your baby’s skeletal system continues to develop. Muscle development continues too, and your baby is probably making lots of movements with his or her head, mouth, arms, wrists, hands, legs, and feet.

Your Body

Has it sunk in yet that you’re pregnant? Many women say that it isn’t until they trade in their jeans for maternity clothes and others start noticing their swelling abdomens that the reality of pregnancy sets in. For many, this realization is both joyful and scary. It’s normal to feel as if you’re on an emotional roller coaster (you have your hormones to thank). Another thing you may be feeling? Scatterbrained. Even the most organized women report that pregnancy somehow makes them forgetful, clumsy, and unable to concentrate. Try to keep the stress in your life to a minimum and take your “mental lapses” in stride — they’re only temporary.

source:   http://kidshealth.org/parent/pregnancy_calendar/pregnancy_calendar_intro.html

1 thought on “Calendar of your baby’s development – 4”

  1. Vernetta Ernstrom says:
    March 31, 2010 at 8:17 pm

    Hello,I love reading through your blog, I wanted to leave a little comment to support you and wish you a good continuation. Wishing you the best of luck for all your blogging efforts.

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