Money is a tremendous advantage in just about everything but in terms of reproduction if you're a poor woman and you are infertile it's like too bad so sad. And if you are a wealthy woman you can kind of buy whatever you want.
Jews read the books of Moses not just as history but as divine command. The question to which they are an answer is not 'What happened?' but rather 'How then shall I live?' And it's only with the exodus that the life of the commands really begins.