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Environmental toxicants and fetal development is the impact of different toxic substances from the environment on the development of the fetus. This article deals with potential adverse effects of environmental toxicants on the prenatal development of both the embryo or fetus, as well as pregnancy complications. The human embryo or fetus is ...
The fetus and infant are especially vulnerable to mercury exposures with special interest in the development of the CNS since it can easily cross across the placental barrier, accumulate within the placenta and fetus as the fetus cannot eliminate mercury and have a negative effect on the fetus even if the mother does not show symptoms. [16]
Teratogens are substances that may cause non-heritable birth defects via a toxic effect on an embryo or fetus. [1] Defects include malformations, disruptions, deformations, and dysplasia that may cause stunted growth, delayed mental development, or other congenital disorders that lack structural malformations. [2]
Toxic abortion is a medical phenomenon of spontaneous abortion, miscarriage, or stillbirth caused by toxins in the environment of the mother during pregnancy, especially as caused by toxic environmental pollutants, though sometimes reported as caused by naturally occurring plant toxins [1] [2]
Reproductive toxicants may adversely affect sexual function, ovarian failure, fertility as well as causing developmental toxicity in the offspring. [2] [3] Lowered effective fertility related to reproductive toxicity relates to both male and female effects alike and is reflected in decreased sperm counts, semen quality and ovarian failure.
Since the fetus is smaller and does not have a fully developed liver, the concentration of alcohol in its bloodstream lasts longer, increasing the chances of detrimental side effects. [69] The severity of effects alcohol may have on a developing fetus depends upon the amount and frequency of alcohol consumed as well as the stage of pregnancy.
Moon Seo-yeon is just 15 years old, but she was determined to join the rallies in Seoul on Wednesday, saying Yoon’s declaration of martial law was a “mistake” and showed a “complete lack ...
Prenatal cocaine exposure (PCE), theorized in the 1970s, occurs when a pregnant woman uses cocaine including crack cocaine and thereby exposes her fetus to the drug.Babies whose mothers used cocaine while pregnant supposedly have increased risk of several different health issues during growth and development and are colloquially known as crack babies.