Group of people who are born around the same time in the same place is called a Cohort.
<h3>What is a Cohort?</h3>
A collection of people with comparable traits or experiences. The phrase often refers to an age (or birth) cohort, which is a collection of people who were born in the same year and are therefore around the same age.
A cohort is a group of individuals who are around the same age and who share experiences and concerns, such as a cohort of college students. In the past, the term "cohort" was used to refer to a military unit in Rome.
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Answer: The correct answer is : Birth control pills
Explanation: This medical innovation had a massive and social impact too important, more than 100 million women in the world use them. These pills are a type of female oral contraceptive method, quite effective for preventing pregnancy. They are small tablets that should be taken daily. Most of them contain two types of synthetic hormones that are estrogen and progestin very similar to those produced by the ovaries.
Either C or A not 100% sure