When labour begins, your baby’s head normally leads the way, perfectly flexed and centred as it moves through the pelvis. But in a few births, a small limb, usually a hand or arm, finds its way ...

Thyrosulfoconjugation appears to facilitate fetal-to-maternal transfer of 3,3′-diiodothyronine-sulfate (T 2 S). Elevated maternal levels of T 2 S cross-reactive material (compound W) are found in ...