Complex sentence: During a routine review at the hospital the supervisors notice that Alicia has missed several periods but since this is a common occurrence with people in coma they do not think twice over it, however Alicia is pregnant and an investigation ensues where Benigno is the main suspect.
Split into simpler sentences: During a routine review at the hospital the supervisors notice that Alicia has missed several periods but since this is a common occurrence with people in coma they do not think twice over it. However, Alicia is pregnant and an investigation ensues where Benigno is the main suspect.