After We Swapped Bodies, Someone Had to Regret It

Body-swap and transformation novel, featuring a man turning into a woman and a woman turning into a man. Valerie is a young scientist specializing in magnetic field research. When she unexpectedly becomes pregnant, she worries it will affect her career. She keeps it secret from her husband, Barry, and uses laboratory equipment to swap their consciousnesses. When she wakes up, she finds herself in her husband's body, while he is trapped in hers.