Trying for a baby? Get pregnant faster[5]. The Clearblue Advanced Digital Ovulation Test (Prueba de Ovulacion Advanced Digital Clearblue) typically identifies 4 or more fertile days leading up to, and including the day of ovulation, at least twice as many as LH only ovulation tests [6]. The Clearblue Advanced Digital Ovulation Test is a breakthrough: it's the first ovulation test to not only detect the rise in luteinizing hormone (LH), but also monitor the level of another key fertility hormone, estrogen, which increases in the days before the LH surge. Your partner's sperm can survive in your body for up to 5 days, so you can actually become pregnant by having sex during the days leading up to ovulation.Then, if you think you might be pregnant, use the enclosed Clearblue Rapid Detection Pregnancy Test (Prueba de embarazo Rapid Detection Clearblue). It has an extra wide color change tip that turns pink when urine is being absorbed, to let you know you have hit the target. It is over 99% accurate from the day you expect your period[2], and provides easy to read, clear, plus (+) or minus (-) results, giving you confidence in the results. Clearblue Rapid Detection also provides fast results, with results as fast as 1 minute when testing from the day of your missed period[1]. The unique FloodguardTM Technology helps reduce the #1 reported cause of user error by over 70%[3] by keeping excess urine from flooding the test strip.[1] A pregnant result may appear in 1 minute when testing from the day of your missed period. Wait 3 minutes to confirm a not pregnant result.[2] Over 99% accurate from the day you expect your period. >99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary. See insert. [3] Data on file.[4] In home pregnancy and fertility tests. Based on international sales compiled using independent market research data.[5] Vs not using any method. [6] In a study of 87 women, 4 or more fertile days were identified in 80% of cycles