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.
Hyperemesis gravidarum is severe nausea and vomiting during pregnancy that affects up to 3 percent of expectant moms. Pregnant women with hyperemesis gravidarum throw up so often that they can't keep enough food and fluid down, leading to dehydration, weight loss, and other possible complications. It's an extreme form of morning sickness.