Is BRN 4765500 Safe in Breastfeeding

I am a breastfeeding mother and i want to know if it is safe to use BRN 4765500? Is BRN 4765500 safe for nursing mother and child? Does BRN 4765500 extracts into breast milk? Does BRN 4765500 has any long term or short term side effects on infants? Can BRN 4765500 influence milk supply or can BRN 4765500 decrease milk supply in lactating mothers?

BRN 4765500 is a progestin that is an analogue of spironolactone. It has antimineralocorticoid and antiandrogenic activities and is available in the U.S. only in combination with ethinyl estradiol as an oral contraceptive agent. Based on the available evidence, expert opinion holds that nonhormonal methods are preferred during breastfeeding and progestin-only contraceptive are preferred over combined oral contraceptives in breastfeeding women, especially during the first 4 weeks postpartum. For further information, consult the record entitled, "Contraceptives, Oral, Combined."