Rivkah went to her doctor for a check up. Afterwards, the doctor said to her, "I must inform you that you have a fissure in your uterus, and if you ever have a baby it would be a miracle."

As soon as she got home, Rivkah said to her husband, "You vouldn't belief it. I vent to the doctah and he told me - 'You haf a fish in your uterus and if you haf a baby it vill be a mackerel'"