Answer: your not in shape or your either unfit or unhealthy
The use of alcohol, tobacco and drugs can contribute to all of the following like, increased possibility of miscarriage, premature delivery, low birth weight except delayed labor. It is impossible that a mother can have delayed labor because first using this kind of drugs can give you miscarriage.
So when you are communicating in a healthcare facility something isn't loss in translation and something serious occurs because someone didn't know the proper terminology.