question_answer 10)

Suggest some methods to assist infertile couples to have children. 

Answer:

 Infertile couples may be helped to have children by the following techniques:  

Technique	Working
1. In-vitro fertilization Embryo transfer (IVF-ET) technique • ZIFT (Zygote intra fallopian transfer) • IUT (Infra-uterine transfer)	Ovum of female and sperms of male are induced to form zygote in a culture medium and then embryo is transferred in the female for further developments. It is of two types: Embryo is transferred in the fallopian tube of female at the stage of 8 blastomeres. Embryo is transferred in the uterus at 32-elled stage.
2. GIFT (Gamete intra fallopian transfer)	Transfer of an ovum of a female into fallopian tube of another female for fertilization by sperms of former's husband.
3. ICSI (Intra-cytoplasmic sperm injection)	Sperm of male is directly injected into ovum of female.
4. AI (Artificial insemination)	Sperms of husband (AIH) or a donor male are artificially introduced into the vagina or uterus of the female.