Stress can affect sperm quality and quantity. Male infertility can be partly improved by stress relief and IVF outcome can be improved.
IVF success rate is not 100% . Genetic modification of the embryo may give IVF a 100% success rate. Is it ethically right ?
Male infertility is rising in Malaysia. IVF / ICSI can help men with azoospermia but not in all cases. Sperm creation in a lab in near future may be the answer