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OBJECTIVE: Assisted reproductive technology (ART), especially frozen-thawed embryo transfer (FET) in a hormone replacement cycle (HRC), is a risk factor for placenta accreta spectrum (PAS). This study aimed to clarify the risk factors for P…

Thirty-four recurrent cases of 89 patients with ovarian cancer treated in our department between 1985 and 1989 were examined for changes in serum CA125 level. 1) Upon confirmation of recurrence, 17 patients were positive for CA125 and 15 we…