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.
They recommend the use of PGE2 vaginally or inside the cervix in the form of a gel. The use of prostaglandins is safer to ripen the cervix than the use of pitocin alone to start labor on an unripe cervix, although they can all increase the pain during contractions.
Your midwife will write down the length of your labour in your birth notes. This will probably refer to how long it took for your cervix to open from about 4cm to 10cm (4in). At 10cm, you are fully dilated and are ready to start pushing your baby out.