Gynaecology & Obstetrics After bih which of the following changes occur in the fetus? A The foramen ovale closes allowing the entire blood volume to circulate into the pulmonary vein B Lung fluid is forced out of the fetal alveoli with the first few breaths C The ductus aeriosus opens D The umbilical vein and aery remain functional for several weeks π‘ Explanation After bih which of the following changes occur in the fetus? β Correct Answer: B. Lung fluid is forced out of the fetal alveoli with the first few breaths