ResultsOf 3 pregnant women with primary pulmonary hypertension(PPH ) , 2 died during cesarean section and 1 survived after early termination of pregnancy;

结果3例合并原发性肺动脉高压（PPH）孕妇，2例在剖宫产术中死亡，1例在孕早期终止妊娠后存活。

youdao

The suits alleging primary pulmonary hypertension (PPH), a nearly always fatal condition, are the most valuable--the kind Fleming wants to tee up for trial.

FORBES: Scourge From Texas

In 2004, Cochran developed primary pulmonary hypertension (PPH).

FORBES: Effort Fails To Strip Actual Injury Requirement From 'Failure To Warn' Drug Liability