Thomas Beatie is reportedly pregnant with his third child.
US website Momlogic.com said that Beatie was pregnant again but did not confirm a due date.
Beatie, a trans man who lives legally in his acquired gender, has conceived and given birth to two children since 2007. His wife Nancy is unable to conceive.
The Oregon couple's daughter was born in June 2008 and a son followed a year later.
Despite being legally defined as a man for over ten years and having had some gender reassignment surgery, Beatie kept his female reproductive organs.
He is thought to have had natural births with his two children and his wife breastfed both.
Before starting a family, Beatie had been on hormone treatments, but stopped taking them in order to resume menstruating and conceive through artificial insemination. Both children were conceived with the help of sperm donors.
Speaking to Oprah Winfrey in April 2008, Beatie said: "I actually opted not to do anything to my reproductive organs because I wanted to have a child one day. I see pregnancy as a process and it doesn’t define who I am.”
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