To dream of an unborn fetus represents feelings about how sensitive a developing aspect of your life is. Feelings about how dangerous it is to not care about something perfectly.
Negatively, a fetus may reflect feelings of awareness about a competitive or problematic aspect of your life slowing developing. Anxiety or jealousy at having to watch your opponent slowly develop without being able to do anything about it. Feeling that a developing problem could soon become serious.
A dead fetus outside a woman's body may reflect feelings about a positive opportunity having been wasted. Jealousy that destroyed potential happiness. A dangerous or violent ending that ruined future prospects.