birth
The latest news on birth
It was previously thought that the deadly form of the birth defect was easier to spot in girls
Natural delivery appears to expose babies to beneficial bacteria, researchers say
Panel backs testing for childhood diseases, but defers to parents' wishes on diseases that strike in adulthood
Some bacteria may avoid detection with standard exams, researchers contend
But study finding is preliminary and doesn't prove the nutrient prevents the disorder
But, small study did not determine effect on children's future health
Preterm and low-birth-weight babies also down, researchers add
International study looked at more than 3 million births
Results expand understanding of the disease, expert says
