For both genders the marketing doesn't tell the whole story.
They're giving you statistics of unhealthy people as well.
Discussion
Sure you can definitely have healthy pregnancies post 40 but the optimal window is correctly described by mainstream medicine.
Modern medicine doesn't provide you with the full picture nor tailored results based on your measurables.
These things are going to get dialed in better which will tease the pressure & guessing a bit more out of the equation.