dr. sonia hasan. >> we have tests to determine preterm birth, we are astacking it in the term of preterm birth reduction. >> talking with had group helps her cope. >> sometimes it can be overwhelming. having the program leps a lot. >> even children born to ploghts who have had successful pregnancies can be at risk. she already had three children. >> it makes you feel there is someone other than you that cares about your pregnancy, that you are healthy and make it to your due date. >> do you feel you learn more than with the first ones? >> absolutely. >> now pregnant with her fifth baby, she's putting into practice all she learned with this one. ines ferre, al jazeera, detroit. >>> up next, a master carver involving in a new trade. >> the airch chent art of stone carving. ash-har quraishi reports. >> chipping away in his studio in the western suburbs of chicago. sculptor walter arnold is breathing life into stone. >> not anything you pick up from book learning. you have got to do it with repetitive work, years of doing it, watching how it is done, traveling around look at work and figurin