Our antennas are amplified external GPS antennas. Garmin's built in antennas are not amplified, and when tested side by side with Garmin's external antenna, ours significantly outperform the Garmin antenna, yielding an average of 28 dB signal gain compared to about 16 dB gain from Garmin's antenna.
First of all it is hard to determine if a cervix is ripe or not. Different people observing can have very different opinions on the ripeness of a same cervix. There is the Bishop system for evaluating the cervix, but even this one isnât very accurate.
(B) Changes in the uterine cervix during the cycle â what the woman observes: (Figs. 6-9 to 6-12) Depending on whether the phase of the cycle is fertile or infertile, the cells in the lining of the cervix secrete different types of mucus and the cervical os is either open or closed.