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None of the defects occur after birth, they all develop in the womb. They continue to exist for the entire life of the person, of course.
The presence of an omphalocele often occurs with other birth defects
It occurs during the first month of embryonic development
Yes, there are several teratogens that can cause birth defects through male exposure. There is documented evidence that exposure to Agent Orange that was used during the Vietnam War has caused birth defects in first and second generation births. Additionally, radiation can lead to issues for many generations afterward. There are some viruses that are mutagenic and can cause defects in progeny as well.
In studies of laboratory animals, epoetin taken during pregnancy caused birth defects, including damage to the bones and spine.
When multiple birth defects occur together and have a similar cause, they are called syndromes
Congenital defects in dogs are the abnormalities which are present at the time of birth. Congenital defects can occur in any system or in any part of the body.
The neurula stage is the stage of development of the nervous system of vertebrates. In a human fetus, if there are some failure in the development of the nervous system during the neurula stage, some serious birth defects could occur.
umm.. birth.
Hypospadias and epispadias are congenital defects of the urinary tract. This means they occur during intrauterine development. There is no genetic basis for the defects. Specific causes for hypospadias are not known.
c: implantation of embryo
temporary worsening of the acne, dry skin, nosebleeds, vision disorders, and elevated liver enzymes, blood fats and cholesterol. This drug must not be taken during pregnancy since it causes birth defects.