Most conventional drugs can't be administered during pregnancy because of safety concerns with conventional drugs. Homeopathic remedies are very safe during pregnancy and during lactation. As homeopathic remedies strengthen the body to fight off infections and diseases during pregnancy.
Common problems during pregnancy are,
Colds and fever
Indigestion, gas and constipation
Yeast and Urinary tract infections.
Homeopathy can effectively treat all of the above problems and more during pregnancy. Also homeopathy improves the immunity of the mother and the child and it creates a healthy environment for the embryo to grow in the womb.
Here is the link to a randomised double blind trials on the effect of Homeopathy on Postpartum bleeding