Obstetrician explains 10 common questions about ultrasound in pregnancy – Women Tips
Fundamental to monitor the baby's development, identify possible diseases or complications, in addition to observing the health conditions of pregnant women, ultrasound is a seemingly simple test, but still raises many questions on the future mothers. The obstetrician Alberto D'Auria, medical director of Cryopraxis clarifies key questions:
- 1 1 - What is the importance of the exam?
- 2 2 - It is required during pregnancy?
- 3 3 - When the examination should be done first?
- 4 4 - How many times should be done during pregnancy?
- 5 5 - There are different types of ultrasound?
- 6 6 - When you can see that the baby's sex?
- 7 7 - Is there any contraindication or any case where it is recommended not to do?
- 8 8 - What diseases can be identified?
- 9 9 - When parents can hear the baby's heart?
- 10 10 - Even with ultrasound pointing all normal, the child may be born with a problem that has not been identified?
1 - What is the importance of the exam?
Ultrasound is essential because without it, the prenatal care would be partial. It enables soon know at first if the pregnancy is in the womb or if pregnancy in the tube, if there is any deformity, for example, hydatidiform mole, or even if it's multiple gestation, has detachment of the gestational sac and the embryo has life or not.
2 - It is required during pregnancy?
Yes. Ultrasound is now an indispensable tool in obstetrics and has been very helpful in the diagnosis of a healthy pregnancy and other complications.
3 - When the examination should be done first?
Once there is news of possible pregnancy ultrasound should be done. Recalling that, in four weeks gestation appears only the gestational sac with five weeks an embryo draft and six weeks, already appear the heartbeat of the embryo, which reassures, in part, the prognosis of pregnancy.
4 - How many times should be done during pregnancy?
We can make up to four ultrasound. The first will be made as to whether the pregnancy is in the uterus or fallopian tubes and has live embryo inside of the gestational sac. The second of eleven and a half weeks and thirteen weeks which will be the morphological the first quarter, to study the thickness of the fetus' neck and then suspect or not any chromosomal disease. The other will be the morphology of the second quarter, made between 19 and 23 weeks. That ultrasound will be searched all morphological changes and at the end the exam, we have a security of 85% of the results.
5 - There are different types of ultrasound?
Yes. 3D and 4D ultrasound image are three dimensional and tetrahydrofuran, respectively, and are used to change where there is the need for surgical planning in utero and other complications. Today using this feature also to show the baby to parents during pregnancy.
There are also Doppler feature that is used to evaluate uterine blood vessels, umbilical artery, cerebral artery of the fetus. This assessment is very important because it can show signs of possible complications of pregnancy such as welfare of the fetus in utero, hypertensive disorders of pregnancy, and can also signal the possibility of premature birth. Often the doppler helps us decide for a C-section, when there is significant fetal distress.
6 - When you can see that the baby's sex?
Making ultrasound next 13 weeks of pregnancy, the position of the fetus is favorable, since it may be suspected of sex, but not sure. 19 weeks is already possible to see the baby's sex.
7 - Is there any contraindication or any case where it is recommended not to do?
There are no contraindications, since the machine uses mechanical waves speed up to 300m per second, which is why even called ultrasound. It is 100% safe for the mother and the baby.
8 - What diseases can be identified?
Ultrasound can diagnose more than one hundred fetal syndromes or other malformations of heart limbs, kidney, and many others.
9 - When parents can hear the baby's heart?
You can listen to the heartbeat of the fetus from 11 weeks of gestation, when making ultrasound doppler that has turned into sound.
10 - Even with ultrasound pointing all normal, the child may be born with a problem that has not been identified?
Yes. Even with surveys pointing all within the normal, there is still a chance of error, which is around 15%.
Ultrasound is part of prenatal care, number of examinations and care oriented physicians who can not be dismissed. So if you find out you are pregnant, be sure to do all indicated tests and follow medical guidelines.