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Catherine Lowe,  Sean Lowe, Instagram

Courtesy of Eugene Gologursky/Getty Images; Instagram

Are The Bachelor's Sean Lowe and wife Catherine Giudici expecting their first child? Well, either some other woman is preggers, or Giudici treated herself to a monster April Fools' Day burrito.

She posted on her Instagram page on Wednesday a selfie of a woman from the neck down sporting what looks like a baby bump, covered by an empire waist jersey dress.

"17 weeks :)" she wrote.

The couple's rep confirmed to E! News that the photo was posted as an April Fools' Day joke.

While more than 25,000 followers "liked" Giudici's post, some were appalled.

"Insensitive if this is fake," erin_ponyfish wrote. "Many women struggle to conceive or have recently lost a child. Pregnancy is not a joke to many."

"Sure hope this is NOT a joke :-)," said sarajoytorrison. "There are so many women who want a baby so badly and can't.@catherinegiudici."

Giudici does not appear to sport a baby bump in photos posted on her and Lowe's Instagram pages over the past three weeks.

A photo posted by Sean Lowe (@seanloweksu) on

Lowe, 31, and Giudici, 28, wed in January 2014. Their ceremony aired as a live The Bachelor special.

Days before they tied the knot, they spoke to E! News about their relationship and post-marriage plans. Asked when they plan on having kids, Giudici said, "probably about a year."

—Reporting by Beth Sobol