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The Endowment for Human Development
The Endowment for Human Development
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Quickening


4 months

From The Biology of Prenatal Development.Buy Now

Script: ເຖິງແມນວາການເຄອນໄຫວເລມຕນ ໃນໂຕອອນ 6 ອາທິດ, ຜູຍິງຖືພາຈະຮູສຶກການ ເຄອນເໜັງຂອງລູກອອນນ ລະຫວາງ 14 ຫາ 18 ອາທິດ. ຕາມປົກກະຕິແລວ, ເຫດການນ ໄດຖືກເອນວາ ການເລມຕນມີຊີວິດຂອງລູກອອນໃນຄັນແມ.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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