Knowing you are not the father of your pregnant wife's baby would usually indicate a rocky relationship ahead for traditional parents.
But a lesbian couple has come up with a clever play on words, and custom-made t-shirts, to announce their pregnancy to the world.
Reddit user MeggoEggo1 shared the unique announcement, explaining it was "a non-traditional baby announcement for a non-traditional family".
The cute picture was popular with Reddit users and attracted lots of congratulatory messages.
MeggoEggo1 explained she and her wife used intrauterine insemination to conceive the baby which is due in July.
"My wife has dated men before me, so she always assumed she'd have a baby biologically," she said. "I had no interest. So it just worked out that way."