1. In her book Count Down, Shanna Swain goes into great detail how men's fertility declines at roughly the same rate as women's. This is something everyone needs to know.
2. The "sexist" argument is not fair. The science is new. Most people (even doctors) are not aware of it. Instead of making this a gender issue, let's make it a learning moment.
3. We do need to have a conversation about waiting to have children. Children cannot be an afterthought in our culture. This general trend toward waiting till the last minute does have biological and social implications (breast milk being a big one). It may work out, but it is more likely to work out when couples start much, much earlier, as their bodies are built to.