Growth Spurts: Tough on Babies AND Parents

Today on Facebook one of my friends mentioned that her daughter had been up all night, every hour on the hour. Lots of people made suggests about what could have caused the all night cry-fest, and most of them were: “Teething? Is she teething? Do you feel any teeth coming through?” Teething can be the cause of interrupted sleep, but so can growth spurts, which most people don’t even think of. Parents magazine explains:
Babies grow astonishingly fast. By your little one’s first birthday, he’ll have tripled his birth weight and grown eight to ten inches. Even his head—which is about one third the size of an adult’s at birth—will grow faster in his first four months than at any other time. “A child grows more rapidly during his first 12 months than in any other period of his life,” says Gregory Plemmons, M.D., medical director of the pediatric primary-care practice at Vanderbilt Children’s Hospital, in Nashville. “What’s interesting is that these increases in weight and height aren’t slow and steady—they appear to happen in fits and starts.”
Researchers are still trying to figure out exactly when and how these periods of growth occur. Some experts think that they last between two to seven days and happen at predictable ages—10 days, 3 weeks, 6 weeks, 3 months and 6 months. Others say there’s no set schedule and that the timing varies from baby to baby. But moms recognize a growth spurt when they see one. “I’ve had mothers swear that their babies grew overnight,” says Michelle Lampl, M.D., Ph.D., a growth researcher and associate professor of anthropology at Emory University, in Atlanta. “They tell me their child’s legs were suddenly longer or the diaper or socks seemed much tighter.” Dr. Lampl’s own research backs them up: She’s found that babies can gain a whopping one to three ounces and grow almost a centimeter in length in 24 hours, followed by days to weeks of almost no growth at all. (read more)
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