Midwifery Organizations:

American College of Nurse-Midwives (ACNM)
ARNPs United of Washington State (AUWS)
International Confederation of Midwives (ICM)
Midwives Alliance of North America (MANA)
Midwives Association of Washington State (MAWS)

Resources for Pregnancy and Birth:

American Pregnancy Association
Childbirth Connection (Formerly Maternity Center Association)
Childbirth.org
Doulas of North America (DONA)
International Cesarean Awareness Network
March Of Dimes - Pregnancy and Newborns
Pacific Association for Labor Support
WomensHealth.gov: Pregnancy

Childbirth Preparation:

Birthing From Within
The Bradley Method
Hypnobirthing
Lamaze International
International Childbirth Educators Association (ICEA)

Breastfeeding:

La Leche League International
GotMom.org

Parenting Resources:

American Academy of Pediatrics
iVillage: Pregnancy and Parenting
Talaris Research Institute
Ask Dr. Sears

Women's Health:

North American Menopause Society
Our Bodies Ourselves
WomensHealth.gov: Women's Health Topics

Information for Healthcare Professionals:

National Guideline Clearninghouse
American Society for Colposcopy and Cervical Pathology

Exposures in Pregnancy:

CARE NW (Counseling and Advice on Reproductive Exposures)
Organization of Teratology Information Specialists

Other Useful Sites:

American Association of Birth Centers (Formerly National Association of Childbearing Centers)
Citizens for Midwifery
MyMidwife.org
Penny Simkin