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put an oviducts ring or take medicine to prevent fertilisation taking place
The egg cannot get through the oviduct to the cervix.
too much sperm
Because the oviducts are the way that the ovum travel from the ovary's to the uterus. there are probably surgical means to help women in this situation become pregnant of the ovum are there.
No. The sperm which is injected into the uterus needs to be met by the egg coming from the ovaries. If the ducts are blocked, the egg can not travel to the uterus.
bilateral tubal ligation
The oviducts carry the egg cell from the ovary to the uterus.
The oviduct is the only way through which the sperm may reach the egg for fertilisation to happen. If the oviduct is blocked, then the sperm cannot reach the egg and so fertilisation cannot happen, so the woman cannot have a child without an IVF.
internal fertalization
Ultraviolet rays are blocked. It helps prevent radiations enter our eyes.
Ultraviolet rays are blocked. It helps prevent radiations enter our eyes.
Firewalls are used to prevent users. The users will not be able to see the blocked content then.