To evaluate further behavioral characteristics in this procedure, we recorded the percentage of failures to avoid the stimulus within 5-sec UCS and the latency periods associated with both the CS and UCS throughout the four acquisition sessions.
It often takes a while to get pregnant, but because people often shout about getting pregnant âthe first timeâ, we all get a slightly skewed view of whatâs normal! In reality, even when everything is working well, you only have a 25 percent possibility of getting pregnant in each monthly cycle.
1 Number of married women ages 15-44 that are infertile (unable to get pregnant after at least 12 consecutive months of unprotected sex with husband): 1.5 million. 2  Percent of married women ages 15-44 that are infertile: 6.0%. 3  Number of women ages 15-44 who have ever used infertility services: 7.4 million. Number of women ages 15-44 with impaired fecundity (impaired ability to get pregnant or carry a baby to term): 6.7 million. 2  Percent of women ages 15-44 with impaired fecundity: 10.9%.