“…These granulocytes have also been described in ectopie endometrium (Hughesdon, 1976), in the myometrium (Bjersing & Borglin, 1962) and in the FaUopian tubes (van Bogaert, Maldague & Abarca, 1978a;van Bogaert, Maldague & Staquet, 1978b) as weU as in the glandular epithelium of the human endometrium (van Bogaert et al, 1978a). Whüe some authors (Brosens, Robertson & Van Assche, 1974;DaUenbach-HeUweg, 1974;HeUweg, Férin & Ober, 1960;Kazzaz, 1972Kazzaz, , 1975 have stressed the need for a protestagenic influence, others have shown a positive relationship between the increase of endometrial granulocytes and an oestrogenic influence in rodents (Baker, Bergman & Paul, 1967;Bjersing & BorgUn, 1964) and women (Bjersing, 1977;van Bogaert, 1975). In order to substantiate our previous findings in anovulatory cycles (van Bogaert, 1975), we have now studied the appearance and increase of endometrial granulocytes after childbirth, i.e.…”