This is about respect for women, the judgments that women make and their doctors about their reproductive health. It's an important part of who women are, their reproductive health.
I imagine a soul is a little perfect crystal egg floating in your chest. Somewhere deeper than where they put your heart. Somewhere so deep inside that the doctors can't find it with all their machines and microcameras.
The doctor learns that if he gets ahead of the superstitions of his patients he is a ruined man; and the result is that he instinctively takes care not to get ahead of them.