Template:GladstoneHamilton1941 table1
From Embryology
| Table 1 | |
|---|---|
| Number of days preceding the operation date, 19 Feb. | Accredited dates of menstruation, insemination, ovulation, and assumed age of embryo |
| From onset of last menstruation (12 Jan.) | 38 |
| From assigned date of insemination (24 Jan.) | 26 |
| From assumed period of ovulation (25-28 Jan.) | 25 to 22 |
| From calculated date of expected menstruation (9 Feb.) | 10 |
| From onset of next menstruation expected by patient (12 Feb.) | 7 |
| Assumed ‘fertilization age’ of embryo | 23 to 20 |
| Reference: Gladstone RJ. and Hamilton WJ. A presomite human embryo (Shaw) with primitive streak and chorda canal with special reference to the development of the vascular system. (1941) Amer. J Anat. 76(1): 9-44. | |
