Originally Posted by
Machka
Some tips:
-- Make sure the bicycle is set up correctly for her.
-- Make sure the saddle is wide enough for her, but not too wide.
-- Make sure the saddle is not too soft (gel saddles can be a problem).
-- She will be more comfortable if she develops a strong core.
-- Developing a strong core will help her sit on her sitbones, rather than putting pressure anywhere else.
-- Tucking the pelvis under helps. Sit up straight on a hard chair and suck your abs in. You'll notice that the front part of your "sitting area" lifts up. That's good. That's what you want when you're sitting on a bicycle. But that's hard to maintain if you don't have a strong core.
-- The right pair of cycling shorts can help. For me, those are cycling shorts with very thin, smooth padding. The newer styles of shorts with all the lumpy padding in them are terrible ... very uncomfortable ... too much pressure in all the wrong spots.
-- Move and stretch - stand up on the bicycle now and then. If the ride is long, get off the bicycle and walk around and stretch once every couple hours.
I've logged over 140,000 km in the past 20+ years, including four 1200K randonnees and all sorts of shorter (but long) rides leading up to those, and I rarely have any sitting area issues of any sort.
Thanks so much Machka, it sounds very similar to what I've said to her but
she will probably feel better hearing it from you

We want to have a baby in the next couple of years so she is nervous. I personally do take measure to ensure pressure and too much heat away from my privates (sitting on the sit bones only, not too much padding, knees straight rather than in to allow air flow, ect). I've never had my sperm count measured but I feel safe that I'm causing less heat and friction biking than power walking. Also, I think cycling could make her healthier which could make pregnancy easier on her.