Damber M G, von Schoultz B, Stigbrand T
Acta Obstet Gynecol Scand. 1976;55(4):321-3. doi: 10.3109/00016347609158506.
Treatment with conjugated oestrogens was found to increase significantly the serum concentration of the pregnancy zone protein (PZ) in a group of postmenopausal women. The basic level of PZ before treatment was comparatively high in this group of women and might be related to age and previous pregnancies. Naturally occurring conjugated oestrogens have a similar effect on the induction of PZ as synthetic oestrogens.
在一组绝经后女性中，发现使用共轭雌激素治疗可显著提高妊娠区蛋白（PZ）的血清浓度。该组女性治疗前PZ的基础水平相对较高，这可能与年龄和既往妊娠有关。天然存在的共轭雌激素与合成雌激素对PZ的诱导作用相似。
