Template:Carnegie Stage 1-3 table

Carnegie Stages 1, 2 and 3

Stage	Event	Products
	meiosis 1	Oocyte 2 and polar body 1
	ovulation beginning meiosis 2	Ovulated oocyte
1a	fertilization - Penetration	Penetrated oocyte
1b	fertilization - Completion of meiosis 2 and formation of pronuclei	Ootid and polar body 2
1c	fertilization - Pronuclei enter cleavage division	zygote
2	Cleavage continues	2 to about 16 cells morula
3	Formation of blastocystic cavity	blastocyst, from about 32 cells onward