The umbilical cord can prevent drugs from reaching the fetus.
Smoking prevents blood from reaching the fetus, making it more difficult for the baby to get essential nutrients.
What is the effect of drugs to fetus
Lowering the mother's blood pressure will decrease the amount of blood reaching the fetus. This places the fetus at risk for oxygen deprivation.
The placenta acts as a barrier to many drugs due to its structure and functions similar to the blood-brain barrier. It is designed to protect the developing fetus from harmful substances while allowing essential nutrients to pass through. This barrier prevents many drugs from crossing into the fetus's bloodstream during pregnancy.
Yes, this means the fetus is clean. Your blood is his blood. If you have drugs in your system then so will he. You can be prosecuted for drugs in your infant's system.
Antibodies in the maternal blood prevent most infections from being transmitted to the fetus.
Building dams
yes but it would be worse if you were the one on drugs
These could be fatal for fetus. Never use such drugs without a medical prescription.
it stops the sperm from reaching the egg.
The Atmosphere
The factor that prevents an organism or population from reaching its full potential of distribution or activity is called the limiting factor.