Week One

Fri 21 Sep 112	First day of mating. 48 hours after the first mating the bitch should be mated again. Subsequent matings occurring over a period of time enhance the chances of fertilaziton taking place. The spermatozoa migrate up through the cervix.
Sat 22 Sep 112	Sperm travel searching for a mature ripened eggs.
Sat 22 Sep 112 - Sun 23 Sep 112	Spermatozoa reach the eggs in the oviducts.
Sun 23 Sep 112 - Mon 24 Sep 112	Fertilisation occurs in the oviducts which lead from the ovaries to the uterus.
Mon 24 Sep 112 - Wed 26 Sep 112	Fertilised eggs migrate down the oviducts and into the uterine horns. The migration continue to enable even spacing of the embryos. During this migration the eggs will grow into a blastocystes.