SUN-066 Prenatal Sex Steroid Serum Concentrations in Relation to Sex-Typical Play Behavior at 4 Years of Age

Play in pre-school centres--I. Play measures and their relation to age, sex and I.Q.

Sex- and age-related differences in bilirubin concentrations in serum.

The relation between age and sex and the concentration of bilirubin in serum was evaluated in 6740 men and 11 215 women, ages 13 to 96 years. Mean serum bilirubin concentrations in the men significantly exceeded values in the women over all age groups examined. Further, mean serum bilirubin concentrations were greatest both in males and females in the 19-24 years age group and then declined to ...

Seasonal variations in serum vitamin D according to age and sex

Background: Exposure to sunlight is the main source of vitamin D production. This study was performed to assess the status of serum vitamin D across the different seasons in geographic region of Babol, with latitude of 36 in northern Iran. Methods: The study – female participants were 15 years old and above selected prospectively according to the inclusion criteria who attended an Outpatient c...

Hand Function Related to Age and Sex

Objectives: The purpose of this study was for evaluation of relationship between hand function and age, sex by Jebson Taylor Test.This study determined whether age might be a factor when associated with sex. Methods: In this study Jebson Taylor was evaluated on hand in 180 normal males and females (0.50% male, 0.50% female) in each of the following 7 subtest in 3 age groups: (15-25), (35-45)...

Prenatal versus postnatal sex steroid hormone effects on autistic traits in children at 18 to 24 months of age

UNLABELLED BACKGROUND Studies of prenatal exposure to sex steroid hormones predict autistic traits in children at 18 to 24 and at 96 months of age. However, it is not known whether postnatal exposure to these hormones has a similar effect. This study compares prenatal and postnatal sex steroid hormone levels in relation to autistic traits in 18 to 24-month-old children.Fetal testosterone (fT...