Answer: fertilised embryo.
IVF (In vitro fertilization), is an advanced treatment form to manage patients experiencing difficulty undergoing conception
IVF involves a combination of the sperm with the egg
Gonadotropins are used to stimulate oocyte production Further they are removed from the ovaries, allowing the fertilisation of sperm in a culture medium created artificially in a laboratory.
The embryo culture is done for 2–6 days after the fertilisation is achieved.
The embryo is now implanted in the uterus of the mother to establish a conception. mechanism.
An added advantage is that the number of embryos to be transferred can be controlled