| 4.6 | Infertility and Contraception | 
	
 
	
		
			| Definition | 
		
			| Infertility is the inability to produce offsprings | 
	
 
	
		
			| Factors of sterility in males and females | 
		
			| Male | Female | 
		
			| Testes cannot produce sperms | Ovaries cannot produce ovum | 
		
			| Low sperm count | Blockage in teh Fallopian tubes | 
		
			| Produces low quality sperms | Abnormal uterus | 
		
			| Impotent | Tumour in the uterus | 
		
			| Hormone imbalance | 
		
			| Defective reproductive organs or organs infected with diseaseHealth problems like diabetes | 
		
			| Health problems like diabetes | 
	
 
Methods to Overcome Sterility
	- Hormone treatment
- Surgery
- In vitro fertilisation (IVF)
Methods of Contraception
Contraceptive pills: Prevent ovulation
Implants: Secrete a hormone that prevent the ovary from producing ovum
Use a condom: Worn over the penis before copulation
Intrauterine contraceptive device (IUCD): Contraceptive device is inserted inside the woman's uterus 
Vasectomy: Surgery to cut the sperm duct and the two ends then tied to prevent the sperm from being transported to the urethra
Ligation: Surgery to cut the Fallopian tubes and the two ends are tied to prevent ovum from meeting the sperms