trystan reese, a 34-year-old transgender man, has given birth to a boy weighing in at 9 pounds, 6 ounces. Baby leo arrived on july 14 and reese, along with his partner biff chaplow, has been over. A 30-year-old transgender woman has become the first officially recorded to breastfeed her baby. An experimental three-and-a-half-month treatment regimen, which included hormones, a nausea drug and. the couple have had their first child and plan on having many more. a transgender man has given birth to a healthy baby - five years after having his first child while living as a woman. 30-year-old kaci sullivan from wisconsin, us, is believed to be the first. transgender man gives birth to his own baby mon, september 26, 2016 a transgender couple has become the first to have their own child after a man gave birth to his own baby. Individuals are considered to be transgender if their gender identity does not align with the sex they were assigned at birth. Many transgender individuals choose to socially or medically transition so that their gender presentation aligns with their gender identitysocially transitioning usually involves dressing and presenting in a way that fits with the persons gender identity, while.