What Happened On Lost On March 22?

I actually found the synopsis of what happened on lost on March 22nd 2006. This was episode 216; Jin's wife Sun is feeling nauseous and dizzy. She doubts that she might be pregnant. She takes a home pregnancy test and finds out that she, in fact, is pregnant. She is not happy about the news, she is conflicted. Through a series of flashbacks she understands why she is not happy about having a baby. She remembers the time in life when Jin badly wanted to get a child. He was hoping that the child would bring an end to the pressure that Sun's father puts on him, but Sun wanted to escape to America. Jin also took sun to a fertility specialist for a check up and find the reason as to shy she can not conceive a child. The relationship between Sun and her English Teacher, Jae Lee, was intense and it was clear that Lee wanted Sun to stay in Korea with him.