- Injections of ACTH and HCG into the fetus during midpregnancy legal abortion performed by intraamniotic instillation of prostaglandin. Influence on maternal plasma oestrogens and testosterone. Strecker, J.R., Lauritzen, C., Dahlén, H., Jonatha, W., Gossler, W., Tettenborn, U. Horm. Metab. Res. (1977)