babies may be born with a drug dependency
Passive immunity occurs naturally. An example of passive immunity occur when antibodies are transferred to the fetus from the placenta during pregnancy.
The placenta is pushed out of the uterus
No it does not.
The mother experience hormonal changes
..for me... i think that impossible...
Pregnancy
No, you cannot have a period the first month of pregnancy or at any other time during pregnancy. Menstruation occurs if the egg has not been fertilised, and you cannot menstruate during pregnancy.
Yes, there is a condition called 'Vanishing twin syndrome'. This occurs when a twin disappears in the uterus during pregnancy as a result of a miscarriage of one twin. The fetal tissue is absorbed by the other twin, multiple, placenta or the mother.
Yes, gestational diabetes occurs when a woman is pregnant. Many doctors administer a test during pregnancy to watch for this diabetes because it can cause harm to the baby.
During pregnancy, the uterus stretches to accommodate the growth of the fetus. Involution occurs postpartum and is when the uterus contracts to return to its preprgnant size.
cells of the chorionic villi (tiny projections that attach the placenta to the lining of the uterus) don't develop correctly. Instead, they turn into watery clusters that can't support a growing baby
cleavage->gastrulation->implantation->formation of placenta->first labor