during the first three months of pregnancy
in the first trimester
A teratogen is any environmental agent capable of causing a birth defect. It is thought teratogens cause the most serious damage at about 10-14 days after conception. However, any embryotic system is vulnerable, especially during the time it is forming and developing.
Testosterone
A teratogen is an agent or factor that causes malformation of an embryo. It would be likely to result in a spontaneous abortion, another name for a miscarriage or loss of the unborn child.
Feeling Stress during pregnancy is not really ok.Becasue stress is a teratogen the may cause abnormalities to your child.
The fate of most fetus is to be born and become humans, or other life forms that start out as a fetus.
Cytomegalovirus (CMV) is the most common infection that can be transmitted to a fetus.
One of the most common phrases involving pregnancy is that the fetus undergoes what the mother undergoes. so, where can you even begin to answer this question? Obviously any drugs, including alcohol, cigarettes, and coffee will negatively effect the fetus. Healthy foods will probably help it. Definitely try to gain weight during pregnancy so that the baby will consume the appropriate nutrients to survive.
Very few infected people have symptoms and most pregnant women have antibodies that protect the fetus from infection.
Antibodies in the maternal blood prevent most infections from being transmitted to the fetus.
Toxoplasma Gondii is the most formative parasite associated with cat feces, however it is practically harmless to adults. Unfortunately, if you are pregnant, it can have devastating affects on the fetus.
The spelling "pregnant" is the correct English spelling.