But other types of lactobacillus have not been studied during pregnancy and breast-feeding, so their safety is unknown. Weakened immune system: There is some concern that lactobacillus from supplements that contain live bacteria might grow too well in people whose immune systems are weakened.
Occasionally, there is only the one single umbilical artery (SUA) present in the umbilical cord. Approximately this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality. It is more common in multiple births. Its cause is not known.
Such infections may be caused by a bacteria, virus, or fungus, although the cold is the most common contributing factor of sinus infections. Learn more about dealing with a cold during pregnancy. If you have a sinus infection during pregnancy, you may be tempted to take some medication for a quick fix. However, while certain medications are safe to use during pregnancy, other commonly used medications may not be safe to take while pregnant.