However, if an adult age 60 years or older is tested for varicella immunity for whatever reason, and the test is negative, he/she should be given 2 doses of varicella vaccine at least 4 weeks apart, not zoster vaccine. See www.cdc.gov/vaccines/vpd-vac/shingles/hcp-vaccination.htm for more information.
Causes of polyhydramnios. 1  Polyhydramnios can sometimes mean that there is a birth defect or a medical problem. 2  Birth defects that affect the baby's ability to swallow and process amniotic fluid may cause polyhydramnios. Most of these birth defects are rare, but it is important to perform a detailed ultrasound to make sure there is no evidence of these conditions.
Polyhydramnios is a condition in which the pregnant uterus contains too much amniotic fluid [ A pathologic accumulation of amniotic fluid volumes greater than 2,000 mL ] .The definition of too much is generally considered to be more than 2 liters; the average amount is about 1 liter.n general, the causes of polyhydramnios are due to either excessive production of fluid or inadequate utilization or removal of fluid. Interestingly, greater than 65 percent of cases of polyhydramnios are due to unknown causes.