get_anc_from_u5 Return ANC prevalence given prevalence in <5 year old children
     
    
    Usage
    get_anc_from_u5(prev_u5, avg_prev)
 
    
    Arguments
- prev_u5
- Prevalence in under 5 year old children 
- avg_prev
- Average level of prevalence in children under 5 years old to set level of immunity within population 
 
    
    Examples
    get_anc_from_u5(prev_u5=0.3,avg_prev=0.2)
#> $prev_preg_pg
#> [1] 0.3584845
#> 
#> $prev_preg_sg
#> [1] 0.2536578
#> 
#> $prev_preg_mg
#> [1] 0.2067636
#> 
#> $prev_preg_all
#> [1] 0.2400854
#>