Sentence:  For the ladies, studies indicate that massaging the perineum with warm olive oil toward the end of the third trimester can reduce tearing and the need for an episiotomy. And yes, I'm referring to the pregnancy trimester, not the trimester where your proposal to major in "<WSD>choad</WSD> measuring" was declined by the biology department, the narrow-minded fools. 
Meaning of the word marked with <WSD> tags:  The perineum.