Here you shall find a clarification of the different stages of fetal growth, from the very first stage, called zygote, to the last phase, in which it is known as fetus. It will be called this way up until childbirth.
Tag: blastocyst stage
Here you will find the most used assisted reproductive techniques, such as: artificial insemination (IA), in vitro fertilisation (IVF) and intracytoplasmic sperm injection (ICSI).
When an egg is released and then fertilised by sperm, the most amazing event in life occurs: pregnancy. The development of the baby consists of several different stages throughout the nine months of gestation.
Embryos can be classified in 4 categories –from A to D– ranging from best quality to least developed embryos. This classification is mainly visual and rather subjective, but there are also several studies to identify their metabolic activity.