Fertility Rate

The fertility is an expected capacity to give birth a child. In simple word fertility is all about the ability of a female to become pregnant. If we talk about fertility rate, it is the number of child born in per couple, particular or multiple couple. Fertility is different from fecundity that means the capacity for reproduction.
The fertility rate in India (FR) is the quantity of live births per 1000 women who are in their pregnancy years (15 to 49 years). The more advanced method of inspecting fertility than basic birth rate because the fertility rate for the percentage of women between the age 15 to 49 years. In spite of this dissimilarity in fertility rates might be because of dissimilarity in the percentage of women in the intense fertility age (25 to 34 years) in different inhabitants.

Total Fertility Rate
The Total Fertility Rate (TFR) defined as the average birth number of children that have taken birth per women, in case all women survive till their fertility year and conceive children based to the age specific childbearing rate for that time period and place. Population turns off when the TFR is less those 2.1 children born per female without immigration.

After knowing the exact Fertility meaning, there are many factors that influence human fertility such as lifestyle, feelings, timing, character, sexual behavior, culture, financial, endocrinology, consanguinity and nutrition.

Women fertility
The standard fertility age for female in United States is approximately 12.5 years. In the post menarche able girl, nearly 80 percent of the cycles are anovulatory (the ovulation doesn’t take place.) In the initial year post menarche, 50 percent in the 3rd year and 10 percent in 6th year
Menopause arrive at the time of a woman’s mid life (Between 48 and 55). At the time of menopause, the fertility hormones or hormonal formation through ovaries is decreased, consequently it cause a lasting termination of the prime operation of the ovaries, specifically the formation of uterine lining(period). This is known as the closing phase of fertility of women.
The below mentioned effects of age and women fertility is traced in female trying to conceive a baby without utilizing fertility medication of IVF treatment
At age 30
75 percent of women have fertility capacity ending in live birth within 1 year
91 percent women have fertility capacity ending live birth within 4 years
At age 35
66 percent of women have fertility capacity ending within one year
84 percent of women have fertility capacity within four years.
At age 40
44 percent of women have fertility capacity ending in a live birth within one year
64 percent of women have fertility capacity ending in a live birth within four years.

Male fertility
Few studies recommend that enhanced male age is related to reduction in sperm count, semen quantity, sperm morphology and sperm motility. In a research that managed for woman age, the contrast between men under 30 years and men exceeding 50 comparative reduction in pregnancy rates between 23 percent and 38 percent. It is recommended that sperm count decrease with age. Men aged between 50 to 80 years generating sperm at a standard rate of 75 percent compared with men aged 20 to 50 years and that bigger dissimilarity are seem in how many of the seminiferous tubules present in testes produce mature sperm
In men 20 to 39 years, 90 percent of the seminiferous tubules produce mature sperm.
In men 40–69 years , 50 percent of the seminiferous tubules produce mature sperm.
In men 80 years old and above 10 percent of the seminiferous tubules produce mature sperm.

Fertility rate in India
Indian women preferring to give single child or maximum two children – The total fertility rate (TFR) decreased to its life time low of 2.2 in 2017 post remaining steady at 2.3 for the 4 years for 2013 to 2016, based on the report of Sample Registration System (SRS) compiled by Registrar General of India (RGI) for 2017.

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