We know that Doulas and Midwives are constantly completing continuing education credits, training, and research to learn more about natural and holistic pregnancy remedies and comfort measures. Here are three sites that are both reputable and informational:
American College of Healthcare Sciences Blog: This blog pays industry insiders to write content on a variety of holistic and medical practices. We've found that the quality tends to be high, and they vet articles before posting.
Mother Rising: This blog occasionally throws in a few fluff articles, but their holistic topics and explanations of various procedures are typically well researched with multiple citations for individual fact checking.