Question: period from fertilization of the ovum to birth
[{'answer': 'Prenatal development', 'provenance': [{'wikipedia_id': '2190913', 'title': 'Prenatal development', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]