Everything He Needs to Know About His Sperm (Send him this) Dr Natalie Crawford

July 29, 2026

AI Summary

5 min read

Everything He Needs to Know About His Sperm (Send him this) Dr Natalie Crawford

"50% of infertility is due to male factors." That statistic lands differently when you consider that men produce 1,500 sperm per second, and a single decision to change their health will produce completely new sperm in three months. Meanwhile, women's eggs have been in their bodies their entire lives, accumulating wear and tear that cannot be undone. As Dr. Natalie Crawford puts it: "Life is not fair, life is unjust."

Why male fertility matters now more than ever

Infertility rates are rising globally — from one in eight couples a decade ago to one in six today, and one in five for first-time parents in the United States. Sperm counts have been dropping worldwide over the same period. Yet the burden of fertility conversations still falls overwhelmingly on women. Crawford sees this daily in her practice: women sitting alone in her office, taking all the blame, while their partners are difficult to even get in for a semen analysis.

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What you'll learn

1 (01:18) **Infertility Is a Team Sport: The 50/50 Reality** - Dr. Crawford explains that 50% of infertility is due to male factors, and that men have a huge biological advantage because they can generate completely new sperm in 90 days.
2 (05:43) **Why Men Need to Take Fertility Seriously Now** - Crawford details the biological unfairness: women’s eggs accumulate damage over a lifetime, while men make 1,500 sperm per second and can reboot their sperm quality in three months.
3 (06:35) **The Two-Part Problem: Sperm Production vs. Sperm Quality** - Crawford breaks down how sperm are made and what disrupts each stage.
4 (09:52) **Rising Infertility Rates and the Sperm Count Crisis** - Crawford confirms infertility rates have jumped from 1 in 8 to 1 in 6 couples globally, while sperm counts are dropping.
5 (11:16) **How to Know If Your Sperm Is Healthy (Without a Lab)** - Crawford explains the signs of low testosterone and how to get a semen analysis without a referral.
6 (13:42) **The “Fail First” Model Is Outdated** - Crawford argues against the standard medical advice to try for a year before getting tested.
7 (15:03) **Sperm Races and the New Generation of Committed Men** - Maggie and Crawford discuss the rise of sperm racing apps and the cultural shift toward men taking an active role in fertility.

+ Full timestamped outline available in the app

Show Notes

Fertility doctor Natalie Crawford joins Maggie Sellers Reum on Hot Smart Rich to reveal what every woman (and man) should know about getting pregnant, fertility, forever chemicals, PFAS, egg freezing, IVF, pregnancy, male fertility, and having kids before it's too late.

Natalie explains why fertility is a team sport, why 50% of infertility involves male factors, and the biggest mistakes couples make before trying to conceive.

She breaks down "trimester zero," her five fertility non-negotiables, how to actually choose a prenatal vitamin, and why freezing your eggs is about protecting your options, not guaranteeing a baby.

Plus, Natalie gets honest about fertility testing, ovarian reserve, IVF costs, choosing the right clinic, embryo storage, and the conversations every couple should have long before they're ready to start a family.

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(00:00) Intro

(02:21) Life-Changing Fertility Advice

(03:39) Don't Ignore This

(05:13) Male Fertility Secrets

(09:57) Hidden Sperm Warning Signs

(16:27) Trimester Zero Explained

(20:19) 5 Fertility Non-Negotiables

(28:07) Stan Ad

(29:04) Osea Ad

(30:04) Choosing The Right Prenatal

(34:13) Why Infertility Is Rising