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Script: IINYANGA EZI-9 I-fetus ithoma umsebenzi ngokukhipha amahomoni amanengi abizwa nge-estrogen begodu ithoma ukubeletha ukusuka ku-fetus ukuya emntwaneni osanda kubelethwa. Ukubeletha kubonakala ngokuvuleka Kwesizalo, kugcine ngokubelethwa komntwana. | ||
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks. |