Philadelphia: University of Pennsylvania researchers proved that faithful couples are almost 25% more fertile as compare to those who stray.
Eduardo Fernandez-Duque, the Associate Professor of University of Pennsylvania has said after his research work that faithful relationship could play a vital role in fertility and also reduces stress on mothers.
The researchers has approved that couples having monogamous relationship produces almost 25% more offspring.
New couples take more time to get to know each another so their birth rate lies down.
They theorized that steady male partner reduces burden on pregnant female which increases her power of fertility.
The research work conducted on the Argentinean wide-eyed nocturnal monkeys in Chaco region, reveals the truth that monogamist couples were having more newborns as compare to those who strayed.
The associate professor said: ‘Call it love, call it friendship, call it marriage, there is something in our biology that leads to this enduring, emotional bond between two individuals that is widespread among human societies.
Fenandez and his team has monitored the 18 owl monkeys pairs totaling 154 animals.
One theory is that a woman’s fertility might be increased because having a steady partner ‘reduces the burden of pregnancy and lactation’.
Professor Fernandez-Duque and his team have monitored an owl monkey population in the Argentinian Chaco region observing behaviour, changes in pairings and rates of birth over 16 years.
The team observed 18 owl monkey groups totalling 154 animals and finding are published in PLOS ONE.
Moreover, in 2008 they also noted that a floater individual attacked and killed the male of a pair and replaced his as a mate and newborn car taker.
The research work could be more clear but it got delays because the owl monkeys birth-giving period is only between the months of March and May.
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