Placental steroid sulphatase deficiency.
D005260:Female; D006801:Humans; D007057:Ichthyosis / Q000201:enzymology; D010920:Placenta / Q000201:enzymology*; D011247:Pregnancy; D043266:Steryl-Sulfatase; D013429:Sulfatases / Q000172:deficiency*
D013429:Sulfatases; D043266:Steryl-Sulfatase