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What is "daddy brain"?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Believe it or not, there is a very real thing called "daddy brain": Expectant dads go through hormonal and brain changes that roughly parallel those of their pregnant mates; it's why there are such phenomena as sympathy weight gain and sympathy pregnancy. (Prolactin increases 20 percent in dads in the weeks before birth, and the stress hormone cortisol doubles in dads during pregnancy. Even testosterone dips after birth, allowing the male brain to let down its ultra-male guard and be receptive to bonding.)

While men have little control over the physical course of their partners' pregnancies, they do harbor a lot of emotions about pregnancy and fatherhood, and thus need to be involved and invested.
YOU: Having a Baby: The Owner's Manual to a Happy and Healthy Pregnancy

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YOU: Having a Baby: The Owner's Manual to a Happy and Healthy Pregnancy

Can I get a cavity filled while pregnant? Will avoiding spicy foods make my kid a picky eater? Can I really increase my baby's IQ while she's in utero? Whether you're pregnant for the first time,...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.