Vitamin A is a crucial micronutrient for pregnant women and their fetuses. In addition to
being essential for morphological and functional development and for ocular integrity …

BACKGROUND Micronutrient deficiencies have been associated with significantly high
reproductive risks, ranging from infertility to fetal structural defects and long-term diseases. In …

The vitamins are a chemically disparate group of compounds whose only common feature is
that they are dietary essentials that are required in small amounts for the normal functioning …

This thoroughly revised and updated reference addresses the drugs and chemicals causing
malformations and congenital anomalies in the human fetus-comprehensively reviewing …

Background The World Health Organization recommends routine vitamin A supplementation
during pregnancy or lactation in areas with endemic vitamin A deficiency (where night …

Most of the functions of vitamin A are mediated through the binding of retinoic acid to specific
nuclear receptors that regulate genomic expression. Recent experimental work in transgenic …

Scientific Frontiers in Developmental Toxicology and Risk Assessment reviews advances
made during the last 10-15 years in fields such as developmental biology, molecular …

This paper describes usual intakes of vitamin A from diet plus low dose supplements,
reviews methods for assessing vitamin A toxicity and applies a kinetic analysis of vitamin A …

Background: In several countries, risk classification systems have been set up to summarise
the sparse data on drug safety during pregnancy. However, these have resulted in …

Animal, human, and in vitro data all indicate that excess vitamin A stimulates bone
resorption and inhibits bone formation. This combination would be expected to produce …