預產期與孕周估算
根據末次月經首日及規律周期長度估算預產期,并按指定日期顯示估算孕周。
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{"fields":[{"key":"lastPeriod","label":["末次月經第一天","First day of last period"],"type":"date","value":"2026-07-01"},{"key":"cycle","label":["規律周期長度(天)","Regular cycle length (days)"],"type":"number","value":28,"min":21,"max":35,"step":1},{"key":"asOf","label":["查詢日期","As-of date"],"type":"date","value":"2026-09-08"},{"key":"regular","label":["日期可靠且周期規律(非輔助生殖)","Reliable date and regular cycles; not IVF"],"type":"select","options":[["yes",["是","Yes"]],["no",["否","No"]]],"value":"yes"}],"title":["預產期與孕周估算","Due Date & Gestational Age"],"engine":"pregnancy-dates","scope":["日期不確定、周期不規律或輔助生殖請采用產科給定日期。僅估算,不判斷懷孕、胎兒健康或選擇分娩時機。","Uncertain dates, irregular cycles and assisted reproduction need clinical dating. Not a pregnancy test or assessment of fetal health."]}