Nah, it's because it costs an incredible sum of money for them to say, "We don't know what causes this. Get a blood test. Here's the same prescription I've been giving you for 3 years. See you in 2 months."
Paul is an obstetrician. Regardless of what you think of the state of medial care in the US today, would you not concede that Paul brings a legitimate, experienced voice to the pro-life movement? I'd be happy to provide you with some links to some awesome, logical, pro-life arguments made by Paul over the years.