3 ) an absence of pulsatile lh release for a period of up to 10 h on d1 is not sufficient to produce a decline in ovarian e2 secretion , most likely because the atretic process was in its early stages and had not yet affected a sufficient number of e2-secreting granulosa cells to reduce the follicle 's capacity to secrete e2 ;
C0018207
granulosa cells
C0018120
follicle 's