How To Control Osteoporosis When You Are Pregnant? Though osteoporosis is very uncommon condition during pregnancy but you cannot ignore it outright as the body of pregnant woman demands something extra to maintain its bone strength. Osteoporosis is a bone related health problem that makes your bones fragile due to decrease in bone mass. Its possibilities increase during pregnancy due to deficiency of minerals or vitamins. In case of occurrence of osteoporosis during pregnancy it has to be treated properly to avoid any health problem to the mom and her child in future.