It seems that your status might be atopic.
You may have dry skin
and tendency to develop contact allergic dermatitis
The lesions on legs, eyelids and breasts would be atopic dermatitis
You might be sensitive to many known and unknown things.
You are pregnant and there is lesion on nipple. Nipple eczema...
Your worry is considerable .. But , you must remain careful.
Avoid soap,, synthetic silky and woolen clothes, deodarants,perfume, cosmetics...etc
Keep away from dusts,pollens,grass,fume...etc
Avoid cows milk,nuts, peas,fermented food,yeast,culrd,yogurt,sea food,banana ,
Stress and worries can exacerbate your skin lesions, so be calm and cool.
You consult dermatologist
for firm diagnosis and treatment.
Topical steroids,tacrolimus and pimecrolimus
might be helpful.
Oral antihistaminics may be taken under supervision.
I hope you might be benefitted .