Ay totoo yan, mama! 27 weeks onwards ang baby ay grumpy talaga pag nakatuon sa side, parang gusto niya na mag-stretch everywhere kaya nakakasakit ang feeling na natusok or naiipit, mga kaibigan ko rin nag-complain nito around that time. The back position with pillow support is actually okay short-term, pero since you're already at third trimester na, mas safe kung pwede mo i-adjust pa to side-lying with more pillows para sa comfort and baby's blood flow, pero I'd really suggest checking with your OB about the best positions for you specifically, lalo na kung persistent ang discomfort, kasi bawat pregnancy ay different and they can give you the best advice!