Hi Susan, In response to your request for a reference try ' Wise Woman Herbal For The Childbearing Year' by Susun Weed -Ash Tree Publishing'86. Discussions include -' Nettle or Alfalfa leaf infusion or tea taken throughout the pregnancy will increase available vitamin K and hemoglobin in the blood. ( mostly, recommendations/advice r/t optimal health and heamorrhage prevention in mother) "Vitamin K sources- Alfalfa, nettles, kelp. Depleters - frozen foods, rancid fats, air pollution, antibiotics, mineral oil...." Section also on Herbal Pharmacy. Hope this is helpful, CHEERS Katrina Corcoran. -- This mailing list is sponsored by ACE Graphics. Visit <http://www.acegraphics.com.au> to subscribe or unsubscribe.