Ключевые слова: abdomen, adult, audition, baby, background, belly, birth, body, checking, childbearing, closeup, computer, copy space, device, diagnostic, doppler, earphone, female, fetal, fetal doppler, gestation, gynaecologist, happy, headphones, health, heart, heartbeat, heartquake, home, instrument, isolate, life, listen, maternity, medical, medicine, people, pink, pink background, pregnancy, pregnant, scan, sound, studio, study, survey, tummy, ultrasound, ultrasound pregnancy, wellbeing,