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Women come of age steeped in conversations about reproduction. Different cultures interact with women鈥檚 bodily changes in various ways, but if a woman decides to have a child, common knowledge, health literature and Aunt Jesse鈥檚 war stories tell a woman that her body is going to go through some things with pregnancy and postpartum.

Men? Not so much. Other than jokes about sleepless nights, sexual slowdown and 鈥渄ad bod鈥� (more about that later), typically little attention has been paid to a man鈥檚 transition into parenthood. For the health of our families, it might be time.

Dr. Darby Saxbe, associate professor of psychology at the University of Southern California, says that, although the impact of that transition affects mothers and fathers in obviously different ways, it鈥檚 important to recognize that it鈥檚 a critical time for men.

鈥淭here鈥檚 been a blind spot when it comes to men鈥檚 health care and a focus on men transitioning to parenthood as the major life event that it is,鈥� Saxbe says. 鈥淚f we think about sleep, exercise, social interactions, life priorities, values 鈥� a lot of different domains go through major changes during this time.

鈥淚f you survey mothers and fathers, an equal percentage of fathers will say that being a parent is extremely important to their identity; it is a central part of their self-concept. But parenthood hasn鈥檛 always been a recognized value for men. That鈥檚 changing now, as fathers have really stepped up their participation in the last two or three decades 鈥� and that brings with it a growing awareness that fathering is a tremendously important and transformative life event that can have a lasting impact on father鈥檚 brains and bodies.鈥�

The U.S. has spent significant time and money addressing population-level health and treating stress-related disease, often focusing intervention efforts on late midlife. A case can be made for interventions and support much earlier, according to an of existing research that Saxbe collaborated on with Stanford University economist and family-leave policy expert Maya Rossin-Slater and developmental neuroscientist Diane Goldenberg.

Here鈥檚 why it鈥檚 so important. The transition to parenthood is a high-risk time for mental health issues such as anxiety and depression, with new parents about twice as likely as adults in other life stages to report clinically significant depression. Fathers often experience weight gain during this transitional time, possibly due to hormonal changes but also to not getting as much exercise as they might have before the baby鈥檚 birth, and other changing health habits. Families frequently default to grabbing whatever is easiest and quickest, so nutrition can take a nosedive as comfort food becomes the go-to rather than a treat.

Sleep loss is one of the legendary changes that parents experience during this transition, and fathers frequently wind up more sleep-deprived than mothers because they return to work sooner, given that the United States (unlike many countries) does not offer paid paternity leave. Lack of adequate sleep increases vulnerability to disease, obesity and mood disorders 鈥� all of which have an effect not only on individuals and families but even on the economy, with days missed and a lessening of productivity due to depression and illness.

鈥淲e know that a lot of chronic illnesses are linked with mood disorders, depression, sleep loss or disruption, increased stress and inflammation. All of these are dynamic across the transition to parenthood,鈥� Saxbe says. For many individuals, the weight gains during this time are retained long-term. Some people experience their first episode of major depression, and health markers such as stress and inflammation can get out of whack during this time 鈥� damage that can continue into midlife and beyond, she says. 听听

One of the most profound aspects of a father鈥檚 transition to parenthood is his loss of opportunity to get together with his friends and the changing social dynamics of existing friendships. If they aren鈥檛 fathers themselves, a man鈥檚 friends may not understand why he can鈥檛 hang out with them the way he used to. Dealing with the profound experience of having a new baby and his partner going through dramatic transitions without the social support of his peer group can be isolating and overwhelming for any man, with even less societal permission than mothers might have to express any level of unhappiness. Postpartum depression can be a deadly complication for women, and it can profoundly affect men as well.

Men sometimes have trouble coming to terms with the surprising physical changes their bodies go through during their partner鈥檚 pregnancy and postpartum months, Saxbe says. This time is full of changes in hormones and health behaviors, she says, so it would be surprising if there weren鈥檛 significant changes in the body during this period. What some might find surprising is the degree to which father鈥檚 and mother鈥檚 biology begin to synch up in preparation for the baby鈥檚 arrival and in the months afterward.

鈥淚n women, testosterone usually rises toward the end of pregnancy to help prepare the body for birth and then drops again,鈥� she says. 鈥淚n fathers, there is some evidence that testosterone declines over the transition to parenthood. But in our data, we鈥檝e also found that testosterone levels are linking up in couples transitioning to parenthood.鈥�

Dad Bod Isn鈥檛 Bad Bod

The combination of decreased physical activity, sleep loss, a less-than-ideal diet and decreased testosterone can result in 鈥渄ad bod,鈥� she says. Though the idea of having a dad bod might diminish some men鈥檚 self-image, from an evolutionary standpoint, it makes sense.

鈥淲e have a tendency as a culture to glorify testosterone and what it signifies 鈥� aggression, competition, dominance, status seeking 鈥� but there are times in the lifespan where priorities need to change,鈥� Saxbe says. 鈥淲hen a new baby is coming or is in the household, competing for a new mate might not be the best use of a man鈥檚 energy and time. In a society with a high child mortality, the most adaptive strategy for men might be to maximize the number of babies they can contribute genetic material to. But in a culture with more resources, where most children are likely to survive to adulthood, the more adaptive strategy might be to invest a lot in each of those children so that they not only survive but thrive.

鈥淭estosterone might dip in the prenatal or early postpartum period but then will often recover,鈥� she says. 鈥淚t鈥檚 just not the case that men need super high testosterone all the time throughout their lives.鈥�

Many criteria are important for successful parenting, but the fact of being genetically related to the child does not necessarily top the list. Saxbe says that significant research shows that good parents are made, not born: the act of caregiving creates 鈥�parenting brain,鈥� which doesn鈥檛 require a particular biological architecture, she says. This turns the gender script on its head and underscores that adoptive, foster parents and stepparents 鈥� anyone who develops meaningful bonds with children and is engaged in their care 鈥� are going to show the brain and biological changes linked with parenting. They, too, need to be included in any policy considerations.

What Serves Families Serves Society

Given the science that shows what an inflection point becoming a parent is for new moms and dads, as well as for families and for society, it would make sense for this to be a valued and protected time. In many countries, that鈥檚 the case. Among the 38 Organization for Economic Co-operation and Development countries 鈥� generally considered the 鈥渄eveloped countries鈥� of the world 鈥� the average paid leave for mothers is about 55 weeks. For fathers, total paid leave time is just over eight weeks. The U.S. ranks 38^th out of 38 on this list, with zero guaranteed paid time off for new parents 鈥� policy that simply does not set American families up for success. New moms in America are expected to bounce back after this profound, life-altering event: A quarter of new mothers return to work within two weeks of delivering a child, and typical maternity leave lasts only 10 weeks. Though the 1993 Family Medical and Leave Act provides for unpaid leave, almost half of U.S. workers aren鈥檛 eligible and those who are often can鈥檛 afford time off without pay.

鈥淧ublic policy support for families during this transitional time can protect lifespan health in a way that could save us some of the trillions of dollars we spend every year in the U.S. treating late-life disease,鈥� Saxbe says. 鈥淲e have this incredible amount of federal spending on healthcare, but we need to look at protecting families (at this time) as a kind of healthcare, given that the transition to parenthood is such a high impact time for health. Are we spending as effectively as possible if we鈥檙e not doing anything to help new parents?鈥�

U.S. policies put enormous freight on individuals to bear up under circumstances that shouldn鈥檛 be theirs alone. Society benefits when families get the support they need, including protected time off to heal, to bond and to become a family together 鈥� which has both immediate and lasting results.

鈥淭here鈥檚 evidence that mothers show better trajectories for stress and depressive symptoms and are more resilient across the transition to parenthood when fathers have paid paternity leave,鈥� Saxbe says. Paid leave for all new moms would make a huge difference for American families, but as Saxbe鈥檚 research is proving, it鈥檚 only part of the equation. Family leave might require significant investment, Saxbe says, but can save taxpayers money in the long run by lessening the burden of chronic diseases and creating healthier, happier and more stable individuals and communities. In the U.S., fathers have not typically been viewed as central to the childbirth and postpartum equation, but Saxbe鈥檚 and others鈥� research shows that, for the health of the mother, child and father himself, it鈥檚 time to broaden the conversation.

This story originally published on Early Learning Nation and is now archived on 蜜桃影视. Learn more here.