Small microbes like illnesses can get through it and smoking, drugs and alcohol can get through as well.
No.
Yes, alcohol can cross the placenta from the mother's bloodstream to the fetus. This can have harmful effects on the developing baby's growth and development, leading to a condition known as Fetal Alcohol Spectrum Disorder (FASD). It is important for pregnant women to avoid consuming alcohol to protect the health of their baby.
vitamin a,vitamin d,usually cross placenta during pregnancy.exept vitamin c
placenta
yes
The embryo gets all the oxygen, and all the nutrients that it needs from the mother's blood supply, all of which crosses the placenta, through the umbilical cord into the embryonic blood system.
Harmful substances in the mother's blood can reach the embryo in her uterus through the placenta. The placenta acts as a barrier between the mother and the embryo, but certain toxic substances can cross this barrier and enter the embryo's bloodstream, potentially causing harm to the developing fetus.
The placenta provides your developing baby with a supply of blood, oxygen, and nutrients vital to a healthy baby! The placenta is fully developed by your 18th week of pregnancy. The placenta also carries waste including carbon dioxide away from your baby. The quality of function of your placenta is dependent upon how healthy you are, this is why it is important to keep your blood and oxygen as clean as possible especially during pregnancy (which is why you should not drink or smoke during pregnancy). The placenta keeps harmful materials away from your baby including infections but the body does not always recognize these harmful substances which is another reason you should not drink,smoke or take drugs during pregnancy.
The placenta provides your developing baby with a supply of blood, oxygen, and nutrients vital to a healthy baby! The placenta is fully developed by your 18th week of pregnancy. The placenta also carries waste including carbon dioxide away from your baby. The quality of function of your placenta is dependent upon how healthy you are, this is why it is important to keep your blood and oxygen as clean as possible especially during pregnancy (which is why you should not drink or smoke during pregnancy). The placenta keeps harmful materials away from your baby including infections but the body does not always recognize these harmful substances which is another reason you should not drink, smoke or take drugs during pregnancy.
No. The lungs allow you to breath, while the placenta connects a fetus to the mother and allows materials to be exchanged between them
IgG is the only antibody small enough to cross he placenta.
alcahol canser and diseses