dˈʊɹɹɪŋ ðə fˈɪlmɪŋ ʌvðə fˈɜːst sˈɪɹiz ʌv sˈiːkɹᵻts ʌv ɪnvˌɛstɪɡˈeɪʃən, ɪt wʌz ɹᵻvˈiːld ðæt kˈoʊvɐltʃˌʌk wʌz pɹˈɛɡnənt.
During the filming of the first series of Secrets of Investigation, it was revealed that Kovalchuk was pregnant.