Childbirth Classes as a Tax-Deductible Expense

ABC News reports a list of Tax Deductions You Should Know About, including the fact that:

You can deduct a number of medical expenses as they pertain to the expansion, or even delay, of your family. Deductions include fees paid for childbirth preparation classes, certain fertility enhancement procedures, birth control pills and/or legal operations to prevent having children.

Wonder if Doula services would be permitted, too.