Hormonal control of spermatogenesis in adult albino rat; ultrastructural, endocrinological 1-fsh and testosterone

A quantitative and qualitative analysis of germ cell populations in normal, hypophysectomized [Hx] and Hx-hormone treated animals was undertaken during the periods of regression that were characterized as intermediate between short-term and long-term regression of the testis. Ten groups of adult rats were utilized and administered either follicle-stimulating hormone [FSH] or testosterone [T] in different combinations. Flutamide and casodex were used to compete with and rogen binding to receptors in Hx animals where it is known that small amounts of and rogen are secreted in spite of the lack of a pituitary gl and. FSH and T significantly increased the testis weight as compared with Hx controls, but FSH and T were the most effective either singly or in combination. A novel assay for the determination of the numbers of viable germ cells was used in these groups to determine the cellular sites of FSH and T action

Intercorrelations of the anthropometric measurements of the newborn infants in upper Egypt

A study of 151 hospital births in Minia district in Upper Egypt revealed significant intercorrelations of the anthropometric measurements of the newborn infants. The best correlation of birth weight is with raidarm circumference and with head circumference. Birth weight of < 2.5 kg is the criterion of low birth weight and mid-arm circumference of < 8.9 cm or head circumference of < 31.4 cm has good predictive value in identifying this risk group. This trial is performed in order to select a simple measure which could be substituted for weight when problems prevent weighing of every newborn infant. Skinfold thickness of the studied newborns can be used to measure subcutaneous fat but not maturity of the baby. Skinfold thickness has low correlations with body lengths and high correlations with birth weight and arm circumference. However, because of non-linear relation to body weight, it is not recommended to use skinfold thickness in regression equations to predict birth weight

Anthropometric characteristics of the upper Egyptian newborns in comparison with other countries

A sample of 151 full term infants [89 males and 62 females] was taken from Minia district of Upper Egypt. The infants were subjected to different anthropometric measurements within 24 hours after birth. It appeared that there were no significant differences in the various body measurements between male and female newborns except for skin-fold thickness where female values were significantly greater than male values. Considering that the fat tissue is laid down only during the last weeks of gestation, this represents a marked sex difference. In comparison with some anthropometric measurements of newborn infants elsewhere, the present sample did not show any significantly retarded growth measurement. This indicates that the indicators of growth welfare of the Upper Egyptian newborns are promising and inore attention should be made to the postnatal period

Comparison between growth of infants of working and non-working mothers in El-Minia city

This work was carried out to study the impact of work of mothers on the anthropometric measurements of the infants in El-Minia City. A follow-up of infants of 500 working mothers was done during the first year of life. 458 infants [244 males and 214 females] were followed up by anthropometric measurements [weight, length and head circumference] at birth and monthly up to 12 months. The measurements were compared with measurements of 244 infants [126 males and 118 females] of non-working mothers. The results revealed that there was a significant difference between both groups of infants in achieving physical growth during the first year of life [P < 0.05]. All measurements were compared with National Center of Health and Statistics USA [NCHS-USA] growth chart. In the present study, the irregularity in practice of breast feeding and lack of time for daily care and proper nutrition as regards working mothers were the most common causes of under growth of infants of working mothers during the first year of life

Fetal growth and pregnancy outcome in working and non-working pregnant women in El Minia City

Seven hundred and fifty pregnant women were studied in two groups: group one consisted of 500 pregnant women who were employed in different jobs while group two consisted of 250 pregnant women who were non-working. The study involved clinical and ultrasonic examinations to measure the biparietal diameter and femur length, as well as hormonal assay to the effect of different kinds of work on the outcome of pregnancy. The working pregnant women had higher percentage of premature labour, lower birth weight, an increased incidence of stillbirth and neonatal mortality than the non-working pregnant women. The difference in outcome of pregnancy may be due to an unfavourable circumstances related to work and some nutritional problems rather than to the actual work. Therefore, it is recommended to improve working conditions, facilities, nutrition and regulations related to work