“…8. Similar studies were perfomed by other investigators (133,149). Wolford and Argoudelis (141) reported a considerable decrease in estrogen levels in human colostrum during the first 5 days; levels remained almost the same in milk obtained 5 days to 6 weeks postpartum.…”
Section: Factors Influencing the Concentration Of Progesterone In Milksupporting
confidence: 78%
“…The presence of 50'-androstane-3, 17-dione in relatively constant values between days 3 and 136 of gestation in cows was reported by Darling et al (137). According to studies of Sas et al (149), the concentration of total 17-keto steroids and several identified compounds exhibit a considerable decrease in the beginning of the second week postpartum in human breast milk, and then demonstrate very low values in the fourth week.…”
Section: Presence Of Other Steroids In Milkmentioning
“…8. Similar studies were perfomed by other investigators (133,149). Wolford and Argoudelis (141) reported a considerable decrease in estrogen levels in human colostrum during the first 5 days; levels remained almost the same in milk obtained 5 days to 6 weeks postpartum.…”
Section: Factors Influencing the Concentration Of Progesterone In Milksupporting
confidence: 78%
“…The presence of 50'-androstane-3, 17-dione in relatively constant values between days 3 and 136 of gestation in cows was reported by Darling et al (137). According to studies of Sas et al (149), the concentration of total 17-keto steroids and several identified compounds exhibit a considerable decrease in the beginning of the second week postpartum in human breast milk, and then demonstrate very low values in the fourth week.…”
Section: Presence Of Other Steroids In Milkmentioning
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