{"batchcode": "0505C21A", "histograms": [{"batchcodes": ["006C21A", "0505C21A"], "histogram": {"Abdominal pain": 1, "Computerised tomogram abdomen": 1, "Cough": 1, "Dyspnoea": 1, "Magnetic resonance imaging abdominal": 1, "Melaena": 1, "Nausea": 1, "SARS-CoV-2 test": 1, "Vomiting": 1}}, {"batchcodes": ["016C21A", "0505C21A"], "histogram": {"COVID-19": 1, "Delivery": 1, "Foetal hypokinesia": 1, "Labour induction": 1, "Maternal exposure before pregnancy": 1, "SARS-CoV-2 test positive": 1, "Weight decreased": 1}}]}