<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?kwa kweli, waligundua kuwa wanawake wanaofanya mazoezi zaidi ya masaa manne kwa wiki walikuwa na uwezekano mdogo wa 40 ya kuzaliwa moja kwa moja.  <response>: in fact, they found that women who exercise more than four hours a week were 40 less likely to have a live birth. 