A couple has been trying to conceive a child for 12 months. They decide to consult a doctor about their inability to conceive. After several tests, the doctor suggests that perhaps they will need to use ________ because of a low sperm count.

This is the infertility corrective procedures, which involve the removal of the sex-cells of both male and female, the fusion,(fertilization) of these, outside the body (in-vitro fertilization), or isolation of a single sperm and fussing it with an ovum(intracytoplasmic sperm injection) to form the zygote, and the implantation of the zygote back into the uterus, for the normal development to embryo and fetus.

This procedure may also involve the use of the Donor's egg or sperm, or frozen sex cells . Sometimes If the woman egg cells are not receptive, the zygote can be formed from her husband sperm, and carried by another contracted woman called surrogate mother.However, if the zygote is formed from a donor's egg the contracted woman is called a gestational mother.

Generally factors such as age, legal procedures of each country, physiology of the couples, emotional status, religion, complications in the child physiology, are some of the factors that may affect the efficiency of this procedure. Non the less this medical procedures has saved many marriages and made many couple happy.