What is the average gestational age




















Keeping your blood sugar in control is very important. If not controlled, gestational diabetes can cause problems for both you and your baby, including:.

Gestational diabetes also increases your risk for type 2 diabetes. If you have gestational diabetes, you should have your blood sugar checked regularly after delivery. Gestational hypertension is a type of high blood pressure that can develop during pregnancy. PIH develops after week 20 and goes away after delivery. Hypertension affects approximately 6 to 8 percent of those who are pregnant. Women at increased risk of PIH include those who:. Your provider should check your blood pressure at every visit, so they know if it starts increasing.

Treatment depends on how close to your due date you are and how severe the hypertension is. You can help reduce your blood pressure by resting, eating less salt, drinking more water, and lying on your left side, which takes your weight off major blood vessels. Severe, untreated PIH can lead to preeclampsia, which can be very dangerous for both mom and baby.

Gestational age helps your doctor figure out if your baby is developing as it should. Find out more about how your baby develops during gestation. Your developing baby starts hearing sound by your second trimester of pregnancy. Here's a timeline for what to expect. During each week of pregnancy, your baby is growing. A full-term pregnancy is divided into three trimesters. Each trimester lasts between 12 and 14 weeks. Learn what happens during each trimester.

The gestational diabetes test is an important part of prenatal care, and all pregnant women should receive it. The intestine returns into the fetal abdomen by about 12 weeks [18]. Gestational Age 9 weeks 2. Embryonic Age 7 weeks.

Second Trimester of Pregnancy 14 weeks and 0 days through 27 weeks and 6 days. Hearing is beginning to form [12]. The canalicular period of lung development has started and will continue until 25 weeks [17] The average 17 week fetus is 7. Gestational Age 32 to 33 weeks 7. Fetal Age 30 to 31 weeks The fetus is forming muscle and storing body fat. If the fetus is a boy, his testicles are descending.

Outcomes are based on specific characteristics in a specific setting: level III NICUs, specialized facilities offering medical care for newborn infant. Hadlock FP et. PMID: 2. The ultrasound femur length as a predictor of fetal length. PMID: 3. Hadlock FP, et al. Radiology ; PMID: 4. Definition of term pregnancy. Committee Opinion No. American College of Obstetricians and Gynecologists. Obstet Gynecol ;— Age terminology during the perinatal period.

Hay DL, Lopata A. Chorionic gonadotropin secretion by human embryos in vitro. J Clin Endocrinol Metab. PMID: 8. Lohstroh P, et al. Daily immunoactive and bioactive human chorionic gonadotropin profiles in periimplantation urine samples. Biol Reprod. Epub Mar 8 9.

Brent RL. The effect of embryonic and fetal exposure to x-ray, microwaves, and ultrasound: counseling the pregnant and nonpregnant patient about these risks. Semin Oncol ;— Fingerprint formation. J Theor Biol. PMID: Development of fetal hearing. Arch Dis Child. Ultrasonographic assessment of gestational age with the distal femoral and proximal tibial ossification centers in the third trimester.

Determination of gestational age by ultrasound. J Obstet Gynaecol Can. Proximal humeral ossification center of the fetus: time of appearance and the sensitivity and specificity of this finding. J Ultrasound Med. Warburton D, et.

Curr Top Dev Biol. Abdominal ultrasound examination of the first-trimester fetus. Diagnostic criteria for nonviable pregnancy early in the first trimester. N Engl J Med ;— Stoll BJ, et. Bromley B, et. Closure of the cerebellar vermis: evaluation with second trimester US.

Bennett GL Agenesis of the corpus callosum: prenatal detection usually is not possible before 22 weeks of gestation. PMID: 24 Brumfield CG, The significance of non-visualization of the fetal bladder during an ultrasound examination to evaluate second-trimester oligohydramnios. Ultrasound Obstet Gynecol. All the extra sugar and the extra insulin that is made can lead to fast growth and deposits of fat. This means a larger baby.

It also means a risk for low blood sugar right after birth. At that point, the mother's supply is no longer there, but the baby's insulin levels stay high. If a baby is too large to fit through the birth canal easily, birth can be difficult. Problems at birth may include:. Many large babies are born to mothers with diabetes. Poor control of blood sugar may cause problems such as:.

Babies who are large for gestational age may also be more likely to have yellowing of the skin, eyes, and mucous membranes jaundice. Babies may be called large for gestational age if they weigh more than 9 in 10 babies or 97 of babies of the same gestational age. In the U. Babies with this problem are often diagnosed before birth. This measurement in centimeters usually links with the number of weeks of pregnancy after the 20th week.

If this measurement is high for the number of weeks, the baby may be larger than expected. Before the baby is born, healthcare providers use the term fetal macrosomia instead of LGA.

In Victoria, you can have two types of abortion: surgical and medication. Both types are safe and reliable. You can have a medication abortion up to nine weeks of pregnancy. You can have a surgical abortion from around six weeks of pregnancy onwards. Pregnant women with asthma need to continue to take their asthma medication as it is important to the health of both mother and baby that the mother's asthma is well managed. Even if your baby furniture meets every safety standard and recommendation, your child still needs close supervision.

The cause of birth defects is often unknown, speak to your GP if you are at increased risk of having a baby with a congenital anomaly. Melissa shares her story of how her baby caught chickenpox at 5 weeks old. Content on this website is provided for information purposes only. Information about a therapy, service, product or treatment does not in any way endorse or support such therapy, service, product or treatment and is not intended to replace advice from your doctor or other registered health professional.

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