Cord blood 25(OH)D, cord blood total immunoglobulin E levels, and food allergies in infancy: A birth cohort study in Chongqing, China.

Background: Food allergy (FA) in infants has become a common disease worldwide. There are many controversies surrounding the relationships among levels of cord blood 25-hydroxy vitamin D [25(OH)D], total immunoglobulin E (IgE), and FA.

Methods: In this study, we recruited pregnant women in the third trimester undergoing obstetric examination in Chongqing City, Western China.

Serum levels of insulin-like growth factor-1 and insulin-like growth factor binding protein-3 in children with autism spectrum disorder.

Objectives: To study the serum levels of insulin-like growth factor-1 (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) in children with autism spectrum disorder (ASD) and their association with the core symptoms of ASD.

Methods: A total of 150 ASD children aged 2-7 years (ASD group) and 165 healthy children matched for age and sex (control group) who were recruited at the outpatient service of Chongqing Health Center for Women and Children were enrolled as subjects. Autism Behavior Checklist (ABC) and Childhood Autism Rating Scale (CARS) were used to evaluate the core symptoms of the ASD children.

[A prospective study of the development of nocturnal sleep patterns in infants].

Objective: To investigate the development of nocturnal sleep pattern in infants.

Methods: Fifty healthy full-term newborns born in Chongqing Maternal and Child Health Care Hospital were chosen for a prospective longitudinal study. A non-invasive sleep monitor, Actiwatch, was used to monitor infants' 12 sleep parameters on the 10th day, 28th day, the first Tuesday at the 2nd, 3rd, 4th, 5th, 6th, 9th and 12th month after birth, each monitoring time lasting 60 hours.

[Effect of eating behavior intervention on infants in the urban area of Chongqing, China].

Objective: To investigate how to establish good eating behavior and correct bad eating habits in infants by means of the child health care outpatient clinic and to promote the growth and development of infants.

Methods: Infants aged 0-3 months, who were randomly selected from the urban area of Chongqing, were divided into intervention and control groups. The infants in the intervention group received all intervention measures in the study, while those in the control group received conventional health care.

[Prevalence and risk factors of overweight and obesity among infants in Chongqing urban area].

Objective: To investigate the prevalence and risk factors of overweight and obesity among infants in Chongqing urban area, and to provide a basis for early intervention in cases of childhood obesity.

Methods: A total of 2139 infants aged one month were selected by stratified cluster sampling. They underwent growth monitoring and evaluation at 3, 6, 9, 12 and 18 months after birth.

[Prognoses of food allergy in infancy].

Objective: Food allergy as one of social health problems has gained more attention of people. However, few reports on prognosis of food allergy, the relation between infant food allergy and other allergic diseases, and factors affecting prognoses of infant food allergy in China. The present study was designed to investigate the evolution of infancy food allergy and to explore predicting factors of the tolerance to these foods and factors of other allergic diseases to provide a clue for managing children with food allergy reasonably and to improve their prognoses.