Sasha Pieterse Weight Gain Cause DWTS Long View Gallery
'DWTS' Confession!

Sasha Pieterse Details Mysterious Medical Condition That Caused 70-Lb. Weight Gain

'I had no idea what was going on,' the 'Pretty Little Liars’ star admitted.

Sasha Pieterse is still competing for the mirrorball trophy on Dancing with the Stars, but she’s already won a personal battle by appearing on the ABC show. During Tuesday night’s episode, the former Pretty Little Liars actress revealed that prior to joining DWTS, she’d gained 70 pounds from a mysterious medical condition called Polycystic Ovary Syndrome (PCOS). But in just a couple of weeks, the show has already helped Sasha lose 15 pounds! Click through for the details on Sasha’s medical condition and to find out how she’s bouncing back from what she calls “one of the hardest thing I have ever been through.”

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