triplets!

A woman pregnant with triplets was walking down the street when a masked
robber ran out of a bank and shot her three times in the stomach.
Luckily the babies were OK. The surgeon decided to leave the bullets
in because it was too risky to operate. She gave birth to two healthy
daughters and a healthy son. All was fine for 16 years, and then one
daughter walked into the room in tears. "What's wrong?" asked the
mother.
"I was taking a tinkle and this bullet came out" replied the
daughter.
The mother told her it was okay and explained what happened 16 years
ago.
About a week later the second daughter walked into the room in tears.
"Mom, I was taking a tinkle and this bullet came out."
Again the mother told her not to worry and explained what happened 16
years ago.
A week later her son walked into the room in tears.
"It's okay" said the Mom, "I know what happened.... You were taking a
tinkle and a bullet came out."
"No," said the boy, "I was playing with myself and I shot the dog