Variable | No. | % |
Age (years ± SD) | 38.13 ± 2.68 | |
Nationality |
|
|
Missing data | 1 | 0.5 |
Saudi | 159 | 79.9 |
Non-Saudi | 39 | 19.6 |
Taking folic acid? |
|
|
Missing data | 128 | 64.3 |
Yes | 62 | 31.2 |
No | 9 | 4.5 |
Taking vitamin supplements? |
|
|
Missing data | 54 | 27.2 |
Yes | 137 | 68.8 |
No | 8 | 4 |
Smoking status |
|
|
Missing data | 1 | 0.5 |
Smoker | 2 | 1 |
Nonsmoker | 196 | 98.5 |
US for dating and viability done? |
|
|
Missing data | 45 | 22.6 |
Yes | 141 | 70.9 |
No | 13 | 6.5 |
US for nuchal translucency done? |
|
|
Missing data | 191 | 96 |
Yes | 3 | 1.5 |
No | 5 | 2.5 |
US anatomy scan done? |
|
|
Missing data | 149 | 74.9 |
Yes | 31 | 15.6 |
No | 19 | 9.5 |
Growth scan in 2nd trimester done? |
|
|
Missing data | 77 | 38.7 |
Yes | 93 | 46.7 |
No | 29 | 14.6 |
Growth scan in the 3ed trimester done? |
|
|
Missing data | 79 | 39.7 |
Yes | 83 | 41.7 |
No | 37 | 18.6 |
Taking medications during current pregnancy? |
|
|
Missing data | 21 | 10.6 |
Yes | 128 | 64.3 |
No | 5 | 25.1 |