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Script: Kusukela ku-19 wemaviki kunyakata kwefithasi,kuphefumula, kanye nesivinini sekushaya kwenhlitiyo kucalisa kulandzela luhlelo lunye lwamalanga onkhe lolubitwa gekutsi sigci sesikhatsi lesilinganako. | ||
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks. |