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Fetal warfarin syndrome appears in greater than 6% of children whose mothers took warfarin during pregnancy. [3] Warfarin has a low molecular weight so can pass from the maternal to fetal bloodstream through the tight filter-like junctions of the placental barrier. As the teratogenic effects of warfarin are well known, the medication is rarely ...
The main issue with anticoagulation in pregnancy is that warfarin, the most commonly used anticoagulant in chronic administration, is known to have teratogenic effects on the fetus if administered in early pregnancy. [11] [12] Still, there seems to be no teratogenic effect of warfarin before six weeks of gestation. [13]
Warfarin (brand name Coumadin) is a commonly prescribed blood thinner both in the inpatient and outpatient hospital settings. In pregnant women, warfarin is contraindicated and should be avoided as it crosses the placental barrier. Additionally, warfarin is listed as Pregnancy Category D, which means it has a risk of harming the fetus. [37]
Lead exposure in adults can lead to cardiological, renal, reproductive, and cognitive issues that are often irreversible, however, lead exposure during pregnancy can be detrimental to the long-term health of the fetus. [42] Exposure to lead during pregnancy is well known to have teratogenic effects on the development of a fetus. [43]
Teratogens are substances that may cause birth defects via a toxic effect on an embryo or foetus. Wikimedia Commons has media related to Teratogens . See also the categories Carcinogens and Mutagens
Fetal hydantoin syndrome, also called fetal dilantin syndrome, is a group of defects caused to the developing fetus by exposure to teratogenic effects of phenytoin. Dilantin is the brand name of the drug phenytoin sodium in the United States, commonly used in the treatment of epilepsy .
Warfarin is indicated for the prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism; [9] prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation and/or cardiac valve replacement; [9] and reduction in the risk of death, recurrent myocardial infarction, and thromboembolic events such as stroke or systemic embolization after ...
However, depending on the type of toxicant and amount of exposure, a fetus can be exposed to toxicants at any time during pregnancy, but have different effects. For example, exposure to a particular toxicant at one time in the pregnancy may result in organ damage and at another time in the pregnancy could cause death of the fetus and miscarriage.