In the context of the hormonal methods of contraception, which of the following is achieved by oral contraceptives?

1.fastening of the rate of ovum transport
2. thickening of the uterus lining
3.disrupting of transport of the fertilized egg
4 thinning of the cervical mucus

3.disrupting of transport of the fertilized egg

Explanation:

Such type of medications that are used to prevent the pregnancy directly or indirectly is known as oral contraceptives. Generally these contraceptives are used in the form of pills. They are made up of single hormone-like progesterone only and are made up of with the combination of hormones like estrogen and progestin. The main purposes of these pills are to prevent pregnancy after the copulation process. Generally they inhibit the ovulation process, slow the movement of the sperm by creating viscosity in the cervical mucous and prevent the implantation of the fertilized egg by disrupting them.