Principal Investigator: Larry Rand, MD
To test a new device currently being investigated at UCSF that may help us prevent preterm birth by detecting early changes in the cervix during pregnancy.
Women with gestational age under 17 weeks at either high- or low-risk for preterm labor.
11 study visits with diaphragm fittings. Study visits can take place at the same time as normal scheduled prenatal visits at UCSF. Each study visit is estimated to take 20 minutes.