Manouchka Kelly Labouba je oludari ere, olugbere-jade ati onkotan omo orile-ede Gabon to maa n saba dari awon ere onisoki.. 
 The èròkérò length of time between the first day of one period and the first day of the next is 21 to 45 days in young women, and 21 to 31 days in adults (an average of 28 days).Ṣíṣe nkan oṣù bí nkan oṣù bá ti bere, ó ma ń sábà lọ to ọjọ́ méjì sí ọjọ́ méje gbáko kí ó tó dá.. 