Hemolytic disease of the newborn secondary to anti-Fya and anti-S.

One case of rare maternal-fetal immunization in a patient affected by Cooley's anemia, is reported. The opportunity for a complete characterization of the blood group and for a search for maternal antibodies in patients with a history of multiple blood transfusions is stressed.

Sex steroid hormones influence the cAMP content in human endometrium during the menstrual cycle.

The measurement of the tissue concentrations of cyclic adenosine monophosphate (cAMP) in human endometrium shows that the levels of the nucleotide vary during the menstrual cycle, being 11.4 +/- (SE) 2.5 and 37.