Trust the press to create sensational stories out of nothing. One does not become allergic to one’s own baby and eminent news sites like daily mail should stop sensationalizing news. Pregnancy is a wonderful event in the life of a woman that obviously changes the hormonal milieu within the body. Because of that there are a number of diseases including acne, pemphigoid gestationis, polymorphic eruption of pregnancy, melasma, etc, that can occur in pregancy and post-partum. Interested folk please read this web link  This is simply due to hormones changing the way one’s immune system reacts to various stimuli. To call this an allergy to the baby, is ridiculous.

The mother ALLERGIC to her own baby: Pregnancy left woman, 24, covered in agonising blisters after developing rare disorder

Zuleika developed a burning, itchy rash when she was 20 weeks pregnant
She was wrongly diagnosed with scabies and prescribed an insecticide
It wasn’t until she gave birth that a locum doctor realised she had an auto-immune pregnancy disorder

Read more: http://www.dailymail.co.uk/health/article-2247434/Rare-pregnancy-disorder-Pemphigoid-gestationis-leaves-woman-covered-agonising-blisters.html#ixzz2F1wcoYJl