The fetus is wrinkled, is covered with vernix, opens and closes eyelids, and has physiologically immature lungs that would sufficiently provide gas exchange. What gestational age is this fetus?
1. 23 weeks
2. 25 weeks
3. 30 weeks
4. 34 weeks
2
Rationale:
1. At 23 weeks, the fetal skin is reddish and wrinkled, and eyes are still closed.
2. Twenty-five weeks is the gestational age of the fetus in the description.
3. At 30 weeks, the fetus gains weight and has rhythmic breathing movements.
4. At 34 weeks, the fetus has less wrinkled skin, and lanugo begins to disappear.
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