Fahrenheit 451

From the text:

"I wouldn't say that," said Mrs. Bowles. "I've had two children by Caesarian section. No use going through all that agony for a baby. The world must reproduce, you know, the race must go on. Besides, they sometimes look just like you, and that's nice. Two Caesarians tamed the trick, yes, sir. Oh, my doctor said, Caesarians aren't necessary; you've got the, hips for it, everything's normal, but I insisted."

".... when they come home three days a month; it's not bad at all. You heave them into the 'parlor' and turn the switch. It's like washing clothes; stuff laundry in and slam the lid." Mrs. Bowles tittered. "They'd just as soon kick as kiss me. Thank God, I can kick back! "