SMTP Protocol: The SMTP (Simple Mail Transfer Protocol) protocol is used by the Mail Transfer Agent (MTA) to deliver your eMail to the recipient's mail server. The SMTP protocol can only be used to send emails, not to receive them.
In general, you will be able to hear your baby's heartbeat when you are about 8 weeks pregnant using an obstetrics ultrasound. Or you may be able to hear the baby's heartbeat during regular prenatal care visit at 10 weeks, or more commonly at 12 weeks, with a fetal Doppler. The new fetal care technologies now allow for a much more specific time frame. We now know that your baby's heart begins to beat around 6 weeks after conception.
At around 10 weeks, a Doppler ultrasound will allow you to hear your baby's heartbeat for the first timeâbut her heartbeat will already be visible on ultrasound by the time you are about six weeks pregnant.(To see what your baby's heartbeat looks like at six weeks, check out Drs.t six weeks, your baby's heart beats at about 100 to 120 beats per minute, speeding up to about 160 to 180 beats per minute at 10 weeks, then slowing to 130 to160 beats per minute by the beginning of the second trimester, where it will remain for the rest of your pregnancy. 1  1. 2  2.