Gypsy Rose Blanchard says she never had a chance to properly explore her sexuality -- including potentially being attracted to women -- but when she was locked up ...

she did. In the latest episode of Lifetime's "Gypsy Rose: Life After Lock Up," GRB reveals she was immersed in a journey of self-discovery at Missouri's Chillicothe Correctional Center -- a state prison for women -- after her girl crushes as a kid made her question her sexual identity. Gypsy dropped the bombshell, saying she experimented with ladies while behind bars .

.. this after being confused about her attraction to women while growing up.

Gypsy says ...

"I think I've kissed more girls than guys." Since getting out -- Gypsy's been with two men ..

. she was married to Ryan Anderson , and now ..

. she's dating her ex-fiancé Ken Urker . Meanwhile, Gypsy says there was a no-masturbation policy in prison .

.. so she says she had concerns about a low sex drive.

Gypsy also discusses how she's been self-conscious about her body, something she's shed with age. As we know ..

. Gypsy's sex life kicked into high gear post-prison, when she boasted about her now-estranged hubby Ryan's "fire D." GRB and Ryan's love train hit the brakes by April when she filed divorce papers .

.. and she wasted no time hopping back on the romance rollercoaster, confirming to us she was back with Ken with a steamy kissing selfie later that month.

So, despite all her experimenting ...

it seems boys are the ones still ringing her bell!.