what is the cox model for pregnancy how long does it take for pregnancy to occur after diagnosis how can pregnancy affect survival and time how does cox predict pregnancy when are multiple pregnancy symptoms present does cox regression have time dependent variables how long does it take to be pregnant after diagnosis how soon after diagnosis can pregnant women get pregnant? how many years of gestation does a pregnancy affect survival when to model pregnancies at different time points after diagnosis what is the average time to pregnancy does pregnancy affect survival how often do you get pregnant after diagnosis when does pregnancy occur how long after diagnosis is the average pregnancy? time dependent effects of pregnancy what kind of model would a cox regression be cox regression model of pregnancy in humans definition how does time dependent covariate relate to pregnancy how long does it take to find out if your pregnant