Pregnancy Diet: Before, During, and After Pregnancy
Nutrition for fertility, pregnancy, and breastfeeding by Chris Kresser:
http://chriskresser.com/the-healthy-skeptic-podcast-episode-7
Diet for pregnant and nursing mothers by Weston A. Price
http://www.westonaprice.org/childrens-health/diet-for-pregnant-and-nursing-mothers
Healthy Baby Code by Chris Kresser