Interface Menstruation

menstruation_data: { current_phase: Option<number>; cycle_length_days: Option<number>; day_in_cycle: Option<number>; days_until_next_phase: Option<number>; is_predicted_cycle: Option<string>; last_updated_time: Option<string>; length_of_current_phase_days: Option<number>; menstruation_flow: MenstruationFlowSample[]; period_length_days: Option<number>; period_start_date: Option<string>; predicted_cycle_length_days: Option<number> }

metadata: { end_time: string; start_time: string }