1·Theories: 1) Fat causes undiagnosed diabetes, which is bad for the baby.
理论 ： 1 ）肥胖引起的未确诊的糖尿病患者，对婴儿不利。
2·Often, with undiagnosed depression, men turn to substance abuse to cope.
患有未确诊抑郁症的男性往往会求助于滥用药物来应付问题。
3·He has shot himself, stabbed himself in the liver (both "accidental") and has had innumerable bouts of undiagnosed pain and illness.
他用枪射自己，刺伤自己的肝脏(都是意外)，并且已经经历了无数次未确诊的疼痛和生病。
4·It's possible the patients had undiagnosed heart problems or other unidentified conditions.
情况可能是患者具有未确诊的心脏问题或者其它不明的情况。