Question: amenorrhea is often associated with lower estrogen levels and an increased risk of ____.​
[{'answer': 'osteoporosis', 'provenance': [{'wikipedia_id': '235393', 'title': 'Amenorrhea', 'start_paragraph_id': 14, 'start_character': 66, 'end_paragraph_id': 14, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Cause.:Low body weight.\n'}]}, {'provenance': [{'wikipedia_id': '235393', 'title': 'Amenorrhea', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 1082, 'bleu_score': 0.9682340374756381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2192152513870795486}, 'section': 'Section::::Cause.:Low body weight.\n'}]}]