Besides increasing your energy and stamina, moderate exercise may boost your mood, help with constipation, lead to a better night's sleep and also improve your ability to cope with labor and delivery (don't forget: a shorter second stage of labor!) (pregnancy-baby.com)
Classes 9 - 10 are about advanced techniques of first and second stages of labor including pain management techniques (attachfromscratch.com)
According to a study published in the Journal of Midwifery and Women's Health, women who drank raspberry leaf tea actually had shorter second stages of labor and fewer of their babies were delivered by forceps. (mindbodygreen.com)