Fetal kidneys start producing urine by:: (A) 3 months, (B) 4 months, (C) 5 months, (D) 6 months
Answer is A. Ans. is a, i.e. 3 monthsRef. Williams Obs. 24/e, p 142Fetal kidneys start producing urine at 12 weeks = 3 months.Initial rate of production of urine = 7-14 ml/day.At term it is = 27 ml/hr or 650 ml/day.