gestation

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Couple's Identical Twins Could Be Born Months Apart

Link was born 23 weeks into his mother's pregnancy, with Logan still in utero

(Newser) - Just 23 weeks into Holli Gorveatt's pregnancy, she gave birth to Link, who weighed in at 1 pound 2 ounces and, right on the edge of viability, stands a 10% chance of normal development. Just as astounding is that Link has an identical twin brother Logan who remains in... More »

Deep-Sea Octopus Guards Eggs for Years—Sans Food

4.5 years is the longest known brooding or gestation period of any animal

(Newser) - Talk about endurance. Elephants endure 20-month gestation periods, and some deep-sea sharks carry their embryos for even longer than that, but the deep-sea octopus takes the cake. Scientists say they've observed one in California guarding her eggs for 4.5 years, the longest known brooding or gestation period of... More »

US Newborns Get Smaller

Mysterious drop most acute with mothers considered least at risk

(Newser) - The birth weight of the average full-term baby born in the US decreased by 1.83 ounces between 1990 and 2005. Researchers discovered the trend, which runs counter to received notions about increasing birth weight, after studying the records of 37 million newborns. Even more surprising, babies delivered by the... More »

Pregnant Obese Women Told to Gain No Weight

New study will try to eliminate extra pounds for healthier mom and baby

(Newser) - The changing tides of pregnancy and weight research have yielded a novel program that hopes to produce healthy moms and babies: the no-weight gain pregnancy for obese women. A 4-year study will provide expectant mothers with dietary support to keep extra pounds to zero, or at least under 3% of... More »

Study: Babies Born Before 40 Weeks Have Lower IQs

Research casts doubt on benefits of inducing birth at 37 or 38 weeks

(Newser) - New research suggests that inducing birth two or three weeks ahead of the full 40 weeks isn't as harmless as many doctors believe, the Globe and Mail reports. The study found that children born after 37 weeks tended to have IQs 1.7 points lower than those born at 38... More »

Stiffed Surrogate Moms Face Tough Decision

What's a mother to do? It's up to her, says Salon

(Newser) - Surrogate moms-to-be who have learned they've been stiffed by out-of-cash firms that arranged their pregnancies face a major decision. The only way for these women to quit "working" is to obtain abortions, notes William Saletan in Slate. He fervently hopes the women will see their pregnancies through. So what's... More »

Light Drinking in Pregnancy May Actually Help Babies

Study finds small advantages for boys whose moms imbibed

(Newser) - An occasional drink during pregnancy not only doesn't hurt babies, a British study has found, it may even benefit them. Moms who did a little imbibing—say, a drink a week—saw substantially lower risks of hyperactivity and behavior problems in boys by the age of 3, the Guardian reports.... More »

Moms Go Bananas to Conceive Boys

Gender influenced by diet, researchers find

(Newser) - Women who want to conceive boys should eat potassium-rich bananas as part of a high calorie, high protein diet, according to the latest British research into influencing gender at conception. Scientists found that 56% of mothers on a high calorie diet conceived boys, compared with 45% of those on a... More »

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