90% that will step out will be women
What we don't know is that 1/3 of couples with infertility: the problem is the man, 1/3 the problem is the woman, the remaining 1/3 is shared or unknown.
Don't blame just the woman
For women, above 35, fertility drops, while emn above 40 won't find it easy.
Also, smoking, tobacco or marijuana can reduce fertility in both sexes.
Moderate or excess alcohol
Problems with hormones
Problems with your reproductive organs
If you've tried for more than a year and yet no pregnancy, it's time to see a gynecologist
If you're above 35years, anything above 6 months, see a gynae too