TilyBlooms

The Missing Piece Before Home Insemination — Why Sperm Health Matters, and Why I’ve Partnered with Malebox Health

July 21, 2026
Tily Blooms

I’ve talked a lot about the missing middle. That space between trying naturally and going down the clinical route where home insemination sits, often overlooked, often misunderstood, but genuinely life-changing when it’s done properly.

But there’s something else that’s been missing. And I think it’s time to talk about it.

The thing nobody mentions when they talk about home insemination

When people come to Tily Blooms, they’re ready to take action. They’ve done their research, they’ve decided to try something supported and regulated, and they’re committed. What I sometimes notice, though, is that the conversation has been almost entirely focused on one side of the equation.

Sperm health — the male factor — is still, remarkably, an afterthought for many people at this stage. And it shouldn’t be.

Sperm is involved in every conception. Every single one. Yet so often the man in a heterosexual couple is tested late, or not at all, while everything else is tried first. For same-sex couples using a known donor, the donor’s fertility parameters may never have been properly assessed. The picture is incomplete. And an incomplete picture leads to avoidable delays, avoidable heartbreak, and avoidable cost.

“I built Tily Blooms because I knew what it felt like to try without the right tools. Knowing your sperm health before you begin is exactly the same principle.”

Why I chose to partner with Malebox Health

I’m quite particular about who I partner with. If Tily Blooms is going to be associated with another brand, I need to believe completely in what they offer and how they operate. Malebox Health is an at-home male fertility and sperm testing service. But that doesn’t quite capture what makes them different. They use laboratory-grade sperm analysis combined with predictive modelling, which means they’ve specifically developed the science to account for the way a sample naturally changes during postal transit. That matters. A lot. Because without that, you’re not getting an accurate picture of what your sperm actually looks like. You’re getting a picture of what happened to it in the post.

They’re rigorous. They’re science-led. They’re honest about what they can and can’t tell you. And they’re completely committed to making male fertility testing accessible, private, and something that can happen at home, not just in a clinical setting. Sound familiar?

What this means if you’re using a Tily Blooms kit

If you’re a heterosexual couple and considering home insemination, I’d genuinely encourage you to think about adding a Malebox test before you begin, or early in the process if you haven’t already. Not because something is necessarily wrong. But because knowing your starting point means you can make better decisions. How many cycles to commit to. Whether any simple changes might improve your odds. Whether to consider donor sperm. These are conversations that are so much easier when you have real information in front of you.

If you’re a solo parent, like me and using a known donor, or a same-sex couple using someone you know and trust, this is equally relevant. A Malebox test isn’t just about diagnosis. It’s about going in with your eyes open.

Together, we cover the full picture

I designed the Tily Blooms kit because the tools didn’t exist. The Fertility Wand: purpose-built for correct placement, 9cm long, soft-tipped. The collection cup: designed so not a drop of sample is wasted. Every component is single-use, manufactured to exacting standards in the UK, MHRA registered as a Class 1 medical device and UKCA marked. 150 babies born and counting.

Malebox Health adds the piece that completes it: knowing what you’re working with before you start.

Between the two of us, you have the clearest possible picture and the best possible tools. That’s the missing middle, properly filled.

A final thought

My daughter’s arrival came at the end of a long journey. There were so many things I didn’t know, options I didn’t know existed, information I didn’t have, and moments where I genuinely didn’t know if it would work.

One of those things was sperm health. At the time, the only at-home options were cheap kits that, looking back, didn’t give anywhere near accurate data. If we wanted a reliable picture, we had to go privately, which cost a significant amount of money and meant yet another clinical setting, yet another appointment, yet another barrier.

That’s exactly why this partnership with Malebox Health matters to me personally. Proper, clinically assessed sperm testing from home, the kind of reliable information I wish had been available to us then, without the cost or the clinic.

I built Tily Blooms because I didn’t want people to come after me without the right tools. This partnership is part of exactly the same mission. More information. Better tools. Fewer gaps. And every person on this journey feeling a little more supported, a little more informed, and a little more in control.

You can find out more about Malebox Health and their at-home sperm testing at maleboxhealth.com.

By Rachel MacKay, Founder of Tily Blooms

Last update:
April 8, 2026
FREE 5 Day Fertility Planner

Enhance Your Fertility Naturally in Just 5 Days...

Without expensive treatments or overwhelming lifestyle changes

Discover the exact strategies I used to optimise my fertility naturally - the same approach that's helped countless women on their path to motherhood.
0