I remember a gal in the military who weighed about 115 or 120 and she went into the hospital thinking she had a severe digestive acid problem. She gave birth the day she went into the hospital. Had no clue she was pregnant.
When I was pregnant with my daughter in 1969 and I went to my checkup there was a woman there who looked like she was about four month along. Then in 1972 when we got transferred to Fort Riley we were neighbors. I found out that she was the one who looked like she was only 4 month along. They had a boy and Billy was only a few weeks older or younger, then my daughter. Anyway they went to kindergarten together