Skip to main content

Table 4 Pregnancy incidence by alignment category and menstrual cycles

From: Use of fertility awareness methods as a component of safer conception for women in HIV-serodifferent relationships in Kenya

  Pregnancies/menstrual cycles Pregnancy incidence (per year)
Peak fertility
 Aligned 1/24 0.5
 Not aligned 17/132 1.55
 Partially aligned 13/96 1.62
Widened peak fertility (± 2 days)
 Aligned 4/49 0.98
 Not aligned 13/105 1.49
 Partially aligned 15/98 1.84