Internet and social media spread pregnancy rumors rapidly. New parents are especially vulnerable to pregnancy rumors. Some myths appear to be right in 50/50 odds
Sporadic uterine contractions that start around six weeks into pregnancy. Usually felt in second or third trimester. Not a sign of labor or imminent birth
Blue baby syndrome causes cyanosis in babies due to low blood oxygen levels. Main causes are cyanotic heart disease and methemoglobinemia. Cyanosis occurs when deoxygenated hemoglobin exceeds 3g/dL. Symptoms include cyanosis, lethargy, rapid breathing, and seizures
Rare congenital brain malformation affecting cerebellar vermis and posterior fossa. Occurs in 1 in 25,000 to 1 in 50,000 people. Causes 4.3% of congenital hydrocephalus cases
PVL is white matter brain injury near lateral ventricles. Most common in premature infants weighing less than 1500g. Occurs when blood/oxygen flow to periventricular region is decreased. Damaged blood-brain barrier triggers inflammatory response
Umbilical cord connects fetus to placenta, containing two arteries and one vein. Forms from remnants of yolk sac and allantois by fifth week. Length equals crown-rump length of fetus throughout pregnancy. Contains Wharton's jelly protecting blood vessels