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2. Age and female fertility - Wikipedia

   en.wikipedia.org/wiki/Age_and_female_fertility

   A study of a population of French women from 1670 and 1789 shows that those who married at age 20–24 had 7.0 children on average and 3.7% remained childless. Women who married at age 25–29 years had a mean of 5.7 children and 5.0% remained childless. Women who married at 30–34 years had a mean of 4.0 children and 8.2% remained childless. [20]

3. List of countries by total fertility rate - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by_total...

   Replacement fertility is the total fertility rate at which women give birth to enough babies to sustain population levels, assuming that mortality rates remain constant and net migration is zero. [10] If replacement level fertility is sustained over a sufficiently long period, each generation will exactly replace itself. [10]

4. Total fertility rate - Wikipedia

   en.wikipedia.org/wiki/Total_fertility_rate

   A 2023 map of countries by fertility rate. Blue indicates negative fertility rates. Red indicates positive rates. The total fertility rate (TFR) of a population is the average number of children that are born to a woman over her lifetime, if they were to experience the exact current age-specific fertility rates (ASFRs) through their lifetime, and they were to live from birth until the end of ...

5. List of countries by net reproduction rate - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by_net...

   The following list sorts countries and dependent territories by their net reproduction rate.The net reproduction rate (R 0) is the number of surviving daughters per woman and an important indicator of the population's reproductive rate.

6. I Used Astrology To Get Pregnant & It Worked—Here’s How It ...

   www.aol.com/used-astrology-pregnant-worked-too...

   If you’re interested in using this method, Astro-Seek’s fertility chart calculator will not only predict your baby’s zodiac sign, but it also predicts what their potential gender could be ...

7. Creighton Model FertilityCare System - Wikipedia

   en.wikipedia.org/wiki/Creighton_Model_Fertility...

   The Creighton Model FertilityCare System (Creighton Model, FertilityCare, CrMS) is a form of natural family planning which involves identifying the fertile period during a woman's menstrual cycle. The Creighton Model was developed by Thomas Hilgers, the founder and director of the Pope Paul VI Institute .