Fig. 1

Magnetic resonance imaging scan of pituitary in sagittal view (A, B) and contrast-enhanced in coronal view (C, D), which were conducted at first month (A, C) and six months (B, D) since abortion, respectively. Both A and B showed an absence of posterior pituitary bright spot on the T1-weighted images. C showed slight pituitary hyperplasia in response to estrogen stimulation and recovered later (D)