Measurements | n | % |
---|---|---|
First 18 weeks (n = 83) | ||
Weekly | 12 | 14.5 |
Every 1–2 weeks | 22 | 26.5 |
Every 2–3 weeks | 15 | 18.1 |
Every 3–4 weeks | 6 | 7.2 |
Every 4–5 weeks | 6 | 7.2 |
Less than every 5 weeks | 22 | 26.5 |
After 18 weeks (n = 160) | ||
Monthly | 6 | 3.8 |
Every 1–2 months | 33 | 20.6 |
Every 2–3 months | 25 | 15.0 |
Every 3–6 months | 31 | 19.4 |
Every 6-12months | 37 | 21.3 |
Less than every year | 31 | 20.0 |