Fertility 101

Knowledge is power — and understanding your body can make TTC feel less overwhelming. Explore helpful tips to feel more in control

Illustration: a theme-park rollercoaster whose track follows oestrogen through the cycle, supplement jars with rockets trying to push the car, and Sarah in a lab coat watching

How to Increase Estrogen When Trying to Conceiv...

None of the supplements sold as oestrogen boosters have good evidence that they raise oestrogen or improve your chance of pregnancy. Here's what genuinely low oestrogen needs instead, why fertility...

How to Increase Estrogen When Trying to Conceive: Do Supplements Actually Help?

None of the supplements sold as oestrogen boosters have good evidence that they raise oestrogen or improve your chance of pregnancy. Here's what genuinely low oestrogen needs instead, why fertility...

Fertility lube illustration: invented lube brands battle in a medieval tournament, a coconut and olive oil bottle join in, scientists judge and cartoon sperm cheer from the castle walls.

Fertility Lube: Does Lube Actually Kill Sperm?

Does lube kill sperm, and do you need a fertility lube? We read every study we could find, from lab dishes to 6,467 real couples, so here is what the...

Fertility Lube: Does Lube Actually Kill Sperm?

Does lube kill sperm, and do you need a fertility lube? We read every study we could find, from lab dishes to 6,467 real couples, so here is what the...

Illustration of a smiling couple in a sunny meadow introducing a cartoon sperm and a cartoon egg, who shake hands while three smaller sperm of different sizes wave and cheer, with tulips and lilies, and no text.

The Sperm Meets Egg Method: Does It Actually Work?

We found no study of the Sperm Meets Egg Plan, but it is the plan we followed the month we finally conceived. Here is our real month, our diary from...

The Sperm Meets Egg Method: Does It Actually Work?

We found no study of the Sperm Meets Egg Plan, but it is the plan we followed the month we finally conceived. Here is our real month, our diary from...

Can you get pregnant on your period: a woman in bed with a hot water bottle looks up at a ring of cycle beads, as sperm travel from the copper period beads to an egg among the green fertile beads

Can You Get Pregnant on Your Period? 5 Deciding...

Yes, it can happen, but it's unlikely. Tap through the myths and see four worked cycle scenarios, day by day.

Can You Get Pregnant on Your Period? 5 Deciding Factors

Yes, it can happen, but it's unlikely. Tap through the myths and see four worked cycle scenarios, day by day.

A man runs with both fists raised beneath a glowing testosterone molecule: one path leads from a testosterone vial and gel to a dish with a single sperm, the other from running shoes, scales, sleep and good food to a dish full of lively sperm

How to Increase Testosterone Without Hurting Fe...

Testosterone from outside, whether TRT, gels or steroids, can quietly switch sperm production off while your blood levels look fine. Here's what UK guidance says, how long recovery takes, and...

How to Increase Testosterone Without Hurting Fertility

Testosterone from outside, whether TRT, gels or steroids, can quietly switch sperm production off while your blood levels look fine. Here's what UK guidance says, how long recovery takes, and...

Boxers or briefs: does underwear really affect sperm?

Boxers or Briefs: Does Underwear Really Affect ...

Boxers really are linked with better sperm numbers, but the story is about heat, not fabric. Here's what the studies found, what they didn't, and what's worth changing.

Boxers or Briefs: Does Underwear Really Affect Sperm?

Boxers really are linked with better sperm numbers, but the story is about heat, not fabric. Here's what the studies found, what they didn't, and what's worth changing.