Although you might guess that conceptual age is the logical method for dating your baby’s age, doctor's actually use the EGA method when referring to your baby’s age.

ultrasounds dating from lmp conception-32

Note that this does not refer to the date when your baby was actually conceived.

Conceptional age (CA) is the actual fetal age and refers to the length of pregnancy from the date of conception.

Prompt diagnosis made possible by transvaginal ultrasound can, therefore, result in earlier treatment.

It is recommended that all pregnant women have a scan in the first trimester, to establish the date when the baby is due, check the number of babies also the position of the placenta.

It is basically a reconfigured stethoscope that works by amplifying the sound of your baby's heartbeat.

It's noninvasive and allows your doctor to monitor your baby’s heart, causing no harm to your baby.

First trimester ultrasonic scans may show 'soft' markers for chromosomal abnormalities, such as the absence of fetal nasal bone or an increased fetal nuchal translucency (back of the neck) to enable detection of Down syndrome fetuses.

While your sonographer takes measurments they will explain what you are looking at.

Your doctor will press the "bell" side of the fetoscope firmly onto your abdomen and attempt to locate your baby’s back—which is the ideal site to hear your baby’s heartbeat.