Baby Development
Your baby has reached an additional one milestone. Now that you're halfway straight through your pregnancy, your limited one is no longer measured from "crown to rump." He/she is measured from the top of his/her head to his/her heel. At 20 weeks, your baby is around 6.5 inches long from head to heel, and he/she weighs practically 10.5 ounces now.
- Unlike earlier in the pregnancy, your baby's skin is becoming more complicated with many layers (including the epidermis) forming. He/she is also becoming less transparent, as fat starts to build underneath the skin.
- At reproduction week 20, your baby is practicing his/her breathing exercises and swallowing amniotic fluid on a regular basis.
- Your baby's spine is rather right at this stage of development. If you were to have an ultrasound this week, the scan could show you each vertebra in the spine.
- What's truly curious about week 20 is that all of your baby's abdominal organs (including his/her stomach, liver, and intestines) are now fully enclosed in the abdominal cavity.
- Lanugo hair starts to cover your baby's body at 20 weeks of pregnancy. This is fine, downy hair that offers insulation and warmth to your baby. Lanugo is often shed by the time your baby is born, however, premature babies often have a nice exterior of it when they're born.
- Your baby is quite active this week. He/she is often wiggling and stretching his/her hands and feet in utero, but these movements are reflex responses at this point.
Fun Fact:
Your baby's tooth buds are now in place underneath his/her gums. After your baby is born, it will be an additional one six or eight months before the tooth buds will appear as baby teeth.
Mom'S Changes
Congratulations, mom! You have reached the mean of your reproduction - only 20 more weeks to go. Now that you are at the halfway mark, onlookers are assuredly beginning to notice your "bump." In fact, you may have gained everywhere between 10 and 15 pounds by now.
By reproduction week 20, your uterus has most likely reached your belly button. It's not uncommon for your belly button to "pop" any day now, if it hasn't already. From this week onward, you should be noticing regular changes in your belly. So be on lookout for a belly that keeps growing, growing, and growing!
Since you are getting larger with each week that passes, don't be surprised if you start to feel slightly less dainty and more bulky. You may even find that you have difficulty standing for length periods of time, due to your shifting town of gravity and the addition weight of your baby and uterus.
In addition to being uncomfortable, standing for too long can cause you to come to be dizzy or light-headed. This is due to blood pooling in your legs. In order to avoid this sensation, you will want to take frequent breaks to sit down and rest. Wearing low-heeled (but not flat) shoes with good arch retain will also help.
From this week and onward, your caregiver will start to take regular measurements of your belly to ensure that your baby is growing properly. At every prenatal visit, your physician will measure your "fundal height" (the length from your pubic symphysis to the top of your uterus). As a rule of thumb, your fundal height corresponds to many weeks along you are.
Before ultrasounds were routinely used, the fundal height was the only recipe to date your reproduction and to correlate your baby's growth. Today, they are used in conjunction with each other. If your fundal height is off, your healthcare provider may use an ultrasound to expound any discrepancies.
Fun Fact:
At 20 weeks pregnant, you will be having your second trimester ultrasound to ensure that your reproduction is progressing normally. This is often when most parents find out if they are having a limited boy or a limited girl.
Pregnancy 411
Intrauterine increase Restriction (Iugr)
At your second trimester ultrasound, your physician may diagnose your baby with intrauterine increase restriction (Iugr) if he/she is smaller than thinkable, for his/her gestational age. There are a estimate of reasons that might contribute to Iugr. These include:
- Abnormalities in the placenta. If your placenta is small, not properly formed, or is beginning to isolate from the uterus (a reproduction complication called placental abruption), this may impair the placenta's capability to deliver oxygen and nutrients to your baby.
- Certain healing conditions may cause Iugr, along with persisting hypertension, preeclampsia (high blood pressure and protein in your urine while pregnancy), kidney disease, heart disease, anemia, industrialized diabetes, serious lung disease, clotting disorders, and antiphospholipid antibody syndrome.
- Your baby has a chromosomal abnormality (such as Down Syndrome) or a birth defect of some kind.
- You're pregnant with twins or multiples.
- Severe malnutrition in the mother.
- Smoking, drinking, and illegal drug use.
There's also some evidence that women who are normally underweight and don't gain adequate weight while reproduction are at higher risk of having smaller babies. In addition, women who live at very high altitudes are also more likely to have smaller than mean babies.
If your baby is diagnosed with Iugr, you may be offered an amniocentesis to check for chromosomal abnormalities. You may be asked to take blood tests to see if you have an infection or problems with blood clotting. Your physician may also monitor you for any signs of preeclampsia.
After you are diagnosed with Iugr, you'll have frequent ultrasounds to monitor the increase of the baby. Your healthcare provider may also ask you to keep track of your baby's movements with "fetal kick counts." (Growth-restricted babies are at higher risk of being stillborn.)
With Iugr, you are more likely to endure a cesarean section. Iugr babies typically have a more difficult time tolerating labor. After birth, your baby will be monitored considered due to his/her risk of having low blood sugar, lower resistance to infection, trouble regulating body temperature, and a higher than mean blood cell count.
Although there is not much you can do to forestall Iugr, you can allege a salutary lifestyle. Avoid smoking, drinking alcohol, or using drugs (you should already be doing this). You should also aim to gain the recommended estimate of weight for your size (25-25 pounds for the average-sized woman).
Restrictive Lung Diseases:Mom and Baby at 20 Weeks Pregnant
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