Dayima, a menstruation period tracking app, received tens of million dollars in Series B financing from Sequoia Capital and Series A investor Bertelsmann. The company’s founder Chai Ke confirmed that all the investment procedures will be nailed down within 45 days.

The capital will be invested in improving service quality and strengthening technology team, especially talent with professional gynecological knowledge. At the same time, Dayima will increase investments in marketing and branding, according to Chai.

Dayima predicts period cycles based on past patterns, offering health tips on avoiding cramps and pre-menstrual syndromes, and links to online forum where users can exchange their experiences. The app has recorded 18 million registered users and 1.9 million daily active users since its launch in January 2012.

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Emma Lee

Emma Lee is Shanghai-based tech writer, covering startups and tech happenings in China and Asia in general. We are looking for stories related to tech and China. Reach her at lixin@technode.com.