The first answer (A) is correct!

C. Between 21 and 30 weeks D. Between 31 and 40 weeks E. Over 40 weeks 5. 7. A number of viable fetuses per 1000 women at the age between 15 and 44 is determined by: A. Genital index B. Reproductive level C. Birth rate D. Perinatal rate E. Obstetric rate 6. 11. A woman in her 39-th week of pregnancy, the second labor, has regular birth activity. ................
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