Naturally, she uses Tampax tampons, the modern internal sanitary protection.
Belts, pins, and pads make her uncomfortable.
Slow her down.
Even limit the sort of clothes she can wear.
She's entirely too busy to be restricted even for a moment
Let alone five days a month.
Tampax tampons leave her free to browse or do the millions of mother things that fill her life.
So, the architect bit is about building sand castles. Got it.