What are the possible consequences of inadequate weight gain during pregnancy for the infant?
Diabetes mellitus.
Down syndrome.
Spina bifida.
Intrauterine growth restriction.
The Correct Answer is D
Choice A reason: Diabetes mellitus is not a direct consequence of inadequate weight gain during pregnancy for the infant. However, maternal diabetes can increase the risk of fetal macrosomia (large birth weight), congenital anomalies, and neonatal hypoglycemia (low blood sugar) in the infant.
Choice B reason: Down syndrome is not a direct consequence of inadequate weight gain during pregnancy for the infant. Down syndrome is a genetic disorder caused by an extra copy of chromosome 21 in the cells of the fetus. The risk of having a baby with Down syndrome increases with maternal age, but it is not related to maternal weight or nutrition².
Choice C reason: Spina bifida is not a direct consequence of inadequate weight gain during pregnancy for the infant. Spina bifida is a neural tube defect that occurs when the spine and spinal cord do not form properly in the fetus. The main risk factor for spina bifida is a lack of folic acid (a B vitamin) in the mother's diet before and during pregnancy.
Choice D reason: Intrauterine growth restriction (IUGR) is a condition in which the fetus does not grow as expected and has a low birth weight. IUGR can have many causes, such as placental problems, infections, chromosomal abnormalities, and maternal factors. One of the maternal factors that can contribute to IUGR is inadequate weight gain during pregnancy, especially in underweight women. IUGR can increase the risk of complications for the infant, such as preterm birth, low Apgar score, hypothermia, hypoglycemia, and breathing problems⁵.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: A fetal heartbeat auscultated with a Doppler or a fetoscope is a positive sign of pregnancy, as it confirms the presence of a living fetus in the uterus. A Doppler is an electronic device that uses sound waves to detect the fetal heart rate, while a fetoscope is a stethoscope-like instrument that amplifies the fetal heart sounds. The fetal heartbeat can be heard as early as 10 to 12 weeks of gestation with a Doppler and 18 to 20 weeks of gestation with a fetoscope.
Choice B reason: Quickening is the first perception of fetal movement by the pregnant woman, usually felt between 16 and 20 weeks of gestation for first-time mothers and 13 to 16 weeks of gestation for experienced mothers. However, quickening is not a positive sign of pregnancy, as it can be subjective and mistaken for other sensations, such as gas, hunger, or muscle spasms².
Choice C reason: Morning sickness is a common symptom of pregnancy that involves nausea and vomiting, usually in the first trimester. However, morning sickness is not a positive sign of pregnancy, as it can be caused by other factors, such as food poisoning, stress, or medication.
Choice D reason: A positive pregnancy test is a probable sign of pregnancy, not a positive sign. A pregnancy test detects the presence of human chorionic gonadotropin (hCG), a hormone produced by the placenta, in the urine or blood of the woman. However, a positive pregnancy test does not guarantee a viable pregnancy, as it can be influenced by the timing, the quality, or the interpretation of the test. A positive pregnancy test can also occur in cases of ectopic pregnancy, molar pregnancy, or miscarriage.
Correct Answer is B
Explanation
Choice A reason: Braxton Hicks contractions are irregular, painless uterine contractions that occur throughout pregnancy. They are a probable sign of pregnancy, not a positive sign.
Choice B reason: Fetal movement palpated by the nurse-midwife is a positive sign of pregnancy, as it confirms the presence of a living fetus in the uterus. It can be detected as early as 16 to 20 weeks of gestation.
Choice C reason: A positive pregnancy test is a probable sign of pregnancy, as it indicates the presence of human chorionic gonadotropin (hCG) in the urine or blood. However, it is not a definitive sign, as other conditions can cause elevated hCG levels.
Choice D reason: Quickening is the first perception of fetal movement by the mother, which usually occurs between 16 and 20 weeks of gestation. It is a presumptive sign of pregnancy, not a positive sign.
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