pregnancy: Rise of contraceptive apps sparks fears over unwanted pregnancies

Health experts say it’s unclear how effective menstrual trackers are for the average UK woman

Growing numbers of women are using contraceptive apps, but experts have warned that they could lead to unwanted pregnancies.

The Swedish app Natural Cycles, the only certified app for contraception, has seen a surge in members from the UK in the past year with almost 200,000 members signed up, an increase from 5,000 in 2016.