Making sure they cannot see eachother through the glass of their cages is the best thing to do. Even better would be to put them in separate rooms. They are more than capable of smelling each other when their cages are side by side.
I will also suggest to take at least a stool sample from the female to a qualified herp vet for a fecal examination. Prolonged stress can cause an overload of internal parasites. It would also be good to take your dragon in for examination, since you feel she may have some form of nutritional deficiency. A vet can do blood work and other tests to determine if your female is suffering from a lack of nutrients.
Making sure she has a proper diet, good UVB light and basking temps will also ensure she regains her health. Make sure to suppliment calcium in her diet to. If she has been with a male for awhile, she could be gravid and if her health is bad, this can put her at even greater risk.
For breeding, females should be at least 350g, not 200g and at least 15 months old (not 8 months old). Breeding dragons any smaller or younger than this puts females at a much higher risk of complications (egg binding, calcium crash etc.) Producing eggs does put a lot of stress on a dragon's body, whether they are fertile or not. Young females can still have infertile clutches but this seems rare compared to older females in their prime breeding age.
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PHLdyPayne