Surrogacy (noun)

1. The practice of bearing a child for another person or couple, typically using one"s own egg and a donated sperm or a donated egg and one"s own sperm.
2. The state of being a surrogate mother.

Origin:

Derived from the latin word "surrogatus" which means "substituted", it has been used in english since the 20th century.

Examples:

1. Surrogacy is an option for couples who are unable to conceive a child.
2. The surrogacy agreement stated that the surrogate mother would give the baby to the couple after birth.
3. The surrogacy process involves in vitro fertilization.
4. Surrogacy is a controversial topic, with some people arguing that it is a form of exploitation.
5. The surrogacy arrangement was kept secret until the baby was born.