20x O těhotenství is a free Android app developed by Babyonline, aimed at helping expecting mothers navigate through their pregnancy. The app provides a comprehensive guide, covering topics like the initial gynecological examination, how to calculate and determine the length of the pregnancy, and when to expect the maternity certificate.

Expecting mothers will find answers to common questions like how often they should visit the doctor during pregnancy, what tests they should expect, and when and why ultrasound tests are conducted. The app also provides helpful information on common pregnancy-related issues and dietary recommendations for expecting mothers.

20x O těhotenství also offers advice on when to start preparing for the baby's arrival, what to pack in the hospital bag, and when to contact the pediatrician during pregnancy. The app also provides information on maternity leave, the difference between maternity and parental leave, and financial benefits available to parents during child care. Overall, 20x O těhotenství is a useful and informative app for expecting mothers.