Many activists are campaigning to protect reproductive rights in their country.

Biologists examined the reproductive organs of several rare frog species to determine their mating patterns.

Many couples are considering assisted reproductive technologies after years of trying to conceive.

The epidemiologist explained that the basic reproductive number determines how quickly an outbreak can spread.

Epidemiologists often discuss the basic reproduction ratio when predicting the spread of a new virus.

The basic reproduction rate determines how quickly an infection spreads through a susceptible population.

Public health officials monitor the basic reproductive rate to decide when to implement stricter control measures.

Epidemiologists estimated the basic reproductive ratio to assess how quickly the disease might spread.

Public health officials closely monitor the basic reproduction number to determine how quickly an infectious disease could spread in a wholly susceptible population.

After years of trying to conceive, they decided to pursue assisted reproductive technology with the support of a fertility clinic.