Supraphysiological serum relaxin concentration during pregnancy achieved by in-vitro fertilization is strongly correlated to the number of growing follicles in the treatment cycle.


In order to analyse the relationship between the ovarian response to stimulation in in-vitro fertilization (IVF) treatment cycles and relaxin concentrations during subsequent pregnancies, 31 healthy women pregnant after IVF treatment were studied prospectively. The maximum number of follicles observed from day -4 to day -2 in relation to ovum retrieval and… (More)


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