Template:Week 1 table
|Week 1 (GA Clinical week 3)|
|Week 1 of fertilisation age begins on the day of fertilisation, while the clinical gestational age (GA) is measured from the first day of the last menstrual period (LMP).
Week 1 summary
|Secretory Phase||Fertilization, Secretory Phase|
|Stage 2||Morula, Blastula|
|Stage 3||Blastocyst Hatching (zona pellucida lost)|
|Late Secretory, Blastocyst (free floating)|