Which woman is most likely to have placenta previa at 32 weeks with vaginal bleeding?

Which woman is most likely to have placenta previa at 32 weeks with vaginal bleeding?

1.19 year old ,gravida 1 , para 0 ,vertex presentation
2.24 year old ,fravida 2 para 1 breach presentaion
3.34 year old gravida 5,para 3 abortus 1 , vertex presentation
4.36 year old gravida 7, para 6 abortus 0, transverse lie
5.28 year old gravida 3 para1 abortus1 ,breech presentation

sol:

Both multiparity and increasing age tend to predispose to placenta previa, although age appears to be more important. Malpresentation, especially if no part of the fetus occupies the true pelvis, should also alert one to the possibility of previa. Ultrasound is the easiest way to make the diagnosis.