The Mommy MD Guide to Twins, Triplets and More: More than 200 tips that 12 doctors who are also mothers of multiples use to raise their own twins, triplets & more

• When to Call Your Doctor sidebars offer critical information about when to seek medical help

• Mommy MD Guides - Recommended Product sidebars feature products that Mommy MD Guides found invaluable in helping them with their own kids

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• Fast Facts: These are fascinating stats and facts about multiples

Sonal R. Patel, MD, is double board-certified in allergy and clinical immunology as well as pediatrics. She has recently joined Huntington Asthma and Allergy Center in Pasadena, CA. Prior to that, she was with Adventist health for 11 years. She has 20 years of experience working with the underserved. She has been o international medical missions to Peru, El Salvador and Mexico. She has served on the board for the American Lung Association in California. She is currently on the Board of the Los Angeles Society of Allergy, Asthma & Clinical Immunology and California Society of Allergy, Asthma & Clinical Immunology. Dr. Patel is a native Angelino. She currently lives in Glendale, California with her husband and twin daughters.

Heather Stoeckel Karpinsky is the founder of Baby A & Baby B LLC and the inventor of the Twin Feeding Set. Heather graduated from Albright College in 2002 and started working for MBNA, a bank based in Wilmington, DE. She took a position in customer service that taught her to "think of yourself as a customer" and "success is finding a better method." As a mom of twins, she discovered how simple changes to the products she already used every day would make parenting twins a little easier, and her journey as an entrepreneur began. Heather's new role has helped her grow personally and professionally while connecting her with parents of twins from around the world. Heather lives with her family in Louisiana. She is a member of the Krewe of Hyacinthians and a volunteer for Oschner Hospital.