If you had been born many decades ago in California or just about any other state, grew up, got married and learned you were expecting a baby, you'd likely be like most all women of your era and quit your job (if you had one outside the home) to stay home and raise your family. Nowadays, it's very different from the typical Americana past. Many women are working mothers who joined the workforce by either economic need or mere personal desire.
What rights do pregnant employees have in California?
Companies are notoriously hesitant to hire employees who are - or who are likely to become - pregnant.