Question: failure of the ovaries to release a mature ovum at the time of ovulation is called
[{'answer': 'Anovulation', 'provenance': [{'wikipedia_id': '161856', 'title': 'Ovulation', 'start_paragraph_id': 23, 'start_character': 92, 'end_paragraph_id': 23, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Disorders.\n'}]}, {'provenance': [{'wikipedia_id': '161856', 'title': 'Ovulation', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 399, 'bleu_score': 0.908198718008664, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8511062093907431406}, 'section': 'Section::::Disorders.\n'}]}]