What is ejaculation?

_________ is the first ejaculation of semen.

The first ejaculation of the semen in male is called as..........

The seminal fluid coagulates on ejaculation due to

The seminal fluid coagulates on ejaculation due to

The seminal fluid coagulates on ejaculation due to

In a normal adult human, the sperm count is "300" million per ejaculation. How many sperms must have normal shape, size and vigorous motility for normal fertility per ejaculation?

In case of an infertile couple male has abnormally low sperm count in ejaculation. Also female has blocked oviducts and has spermicidal secretions in vagina but can provide suitable environment for development of embryo.Suggest and explain the assisted reproductive technology (ART) useful to this couple.