Am I Having A Baby Boy Or Baby Girl? This is the most common question that pregnant mothers use to ask before the big reveal (ultrasound). But, waiting till the ultrasound seems like an eternity. Using our baby gender predictor app "Boy or Girl - Pregnancy Test" can predict your unborn baby's sex. Our App is based on multiple methods include "Chinese Gender Chart", "Blood Renewal", "Parents' Blood Types Method", "Mayan Gender Predictor Chart", "The Japanese Birth Chart" and we will be adding more as we find them out. What Methods Does This Application Offers? Chinese Gender Chart: The Chinese Gender Calendar was supposedly discovered by a Chinese Scientist who drew this chart which was buried in a Royal tomb about 700 years ago. To find the gender prediction, this method use the mother's lunar age at conception and the month in which conception occurred. Blood Renewal: Baby's gender prediction using the method of blood renewal takes into account the parents' age at the time of conception. Human's blood is being renewed all life long, however, in men it happens every 4 years, and women's blood is renewed a bit faster -- every 3 years. The gender of a future baby is usually determined by the calculations of the youngest blood at the time of conception. Parents' Blood Types Method: This method combine between mother's and father's blood groups & Rh factor. For example, according to this method a couple with A or B blood group is likely to have a girl; however, spouses with AB or O types will conceive a boy. Rh factor plays a very important role in the whole process. If it is negative or positive in both parents, it means you will probably give birth to a girl. When parents have different Rh factors, it means you will probably give birth to a boy. Mayan Gender Predictor Chart: In ancient times, the Maya used math to calculate various activities in their daily lives from the eclipse of the moon to calendar calculations. The Mayans determined the sex of the baby by taking the mother's age at conception, and the year of conception. If both are even or both are odd. it's a girl. If one is even and one odd it's a boy. The Japanese Birth Chart: The japanese birth chart it's a method of gender prediction based on correlation of mother's and father's months of birth with the month of conception. You can at any time: Predict the gender of your unborn baby using multiple methods. Contact Us: If you encounter any problem or if you have any suggestions/opinions to make our app better. Please feel free to contact us. Share Our App. Rete Our App: If you like our app please take a moment to rate it. Credit: Background vector designed by Freepikhttp://www.freepik.com/free-photos-vectors/background.