From first questions to first cries.
Common scan windows, what each examination is designed to assess, and which scans are usually offered only for a specific indication.
Dating, symptoms, multiple pregnancy, maternal health and earlier findings can change timing. If a clinician has named a scan or a different window, follow that advice and confirm the booking with Maa Clinic.
Not every pregnancy needs every scan listed below.
Pregnancy location, number, dating and early development
Often advised for symptoms, uncertain dates, previous history or clinical need
Open the scan guideDating, nuchal translucency, nasal bone and selected early anatomy in a screening context
Time-sensitive first-trimester assessment
Open the scan guideDetailed fetal anatomy, placenta, fluid and selected pregnancy features
Detailed mid-pregnancy scan
Open the scan guideDetailed fetal heart anatomy, rhythm and selected blood-flow patterns
Indication-based specialist scan
Open the scan guideTransvaginal cervical measurement in the context of preterm-birth risk
Targeted or indication-based
Open the scan guideFetal measurements, estimated size, fluid and selected wellbeing features
Indication-based in many pregnancies
Open the scan guideBlood-flow patterns in selected maternal, placental or fetal vessels
Indication-based
Open the scan guideReception can help with appointment categories but cannot prescribe a scan.
Keep the prescription or referral in front of you.
Share the estimated due date or first day of the last menstrual period when asked.
Bring previous ultrasound, screening and investigation reports.
Mention symptoms, a previous finding or multiple pregnancy when this affects the appointment.
Pregnancy ultrasound is performed for medical purposes in accordance with the PC-PNDT Act. A reassuring scan also cannot exclude every fetal or pregnancy condition.
Your clinician may recommend a different sequence when the pregnancy needs it.
No. Some scans are commonly offered at a particular stage, while fetal echocardiography, cervical length, growth and Doppler assessments are often based on a specific indication.
Contact your obstetrician or Maa Clinic promptly. The appropriate next assessment depends on the current gestation and the original reason for the scan.
Not always. Monitoring depends partly on chorionicity, amniotic sacs, growth and other findings.
No. Different scans answer different questions at different stages.
No. Maa Clinic does not determine or disclose fetal sex.
