1 Before you agree to the freezing and storage of your sperm, your clinician will explain the process involved. 2  You will be screened for infectious diseases, including HIV and hepatitis B and C. 3  You will need to give written consent for your sperm to be stored. 4  At the clinic, you produce a fresh sample of sperm.toring sperm is the only established way to preserve male fertility. Studies have shown that sperm can be retrieved and stored from patients as young as 13 years old, and storing sperm for a long time should not alter its ability to fertilise an egg.
Diamond is a form of carbon in which each carbon atom is joined to four other carbon atoms, forming a giant covalent structure. As a result, diamond is very hard and has a high melting point.It does not conduct electricity.iamond is a form of carbon in which each carbon atom is joined to four other carbon atoms, forming a giant covalent structure. As a result, diamond is very hard and has a high melting point.
Diamonds are highly unreactive. The principle element in diamond is carbon. What gives diam â¦ ond its hardness and rarity is the way in which the carbon atoms are held together and bonded. Brief description: carbon is a Group 14 element and is distributed very widely in nature.