Dr. Jen Arnold is bravely facing her fight to live with the bravery, knowledge and hope — and she’s documenting the entire inspirational journey for her fans via social media.

As Breaking Celebrity News previously reported, the star of TLC’s The Little Couple, 37, announced in December that she had been diagnosed with stage 3 choriocarcinoma, a rare cancer that formed during a non-viable pregnancy she had in September.

The courageous 3'2" reality star underwent a hysterectomy and started treatments immediately.

But since then, the neonatologist, who has dwarfism but is still able to work at the Texas Children's Hospital, has battled a series of complications — or “rough days,” as she’s characterized it to supporters.

The most serious was the discovery of a low blood count, which made it too unsafe for doctors to deliver another dose of chemotherapy.

Undeterred, she has detailed