Comparison between 20G and 22G for amniocentesis complications

Comparison between 20G and 22G for second trimester amniocentesis in terms of technical aspects and short-term complications

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT201510037676N3

Enrollment

400

Registered

2015-10-29

Start date

2015-11-22

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Detect of chromosal abnormalities. ??????? ????????? ? ????????

Interventions

Intervention 1: 20 gauge needle will be used for Amniocentesis in group 1. Intervention 2: 22 gauge needle will be used for Amniocentesis in group 2.

Diagnosis

20 gauge needle will be used for Amniocentesis in group 1

22 gauge needle will be used for Amniocentesis in group 2

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Inclusion criteria: single pregnancy;no history of cervical classic failure,hereditary or non-hereditary coagulation disorders, myoma,major fetal anomalies. Exclusion criterion: withdrew from continuing the research

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Pain intencity. Timepoint: During amniocentesis. Method of measurement: VAS (Visual Analog Scale) system.	—

Secondary

Measure	Time frame
Abortion under 22 weeks. Timepoint: Up to a week after amniocentesis. Method of measurement: During the phone call.The symptoms of bleeding and pain and miscarriage.;Vaginal bleeding. Timepoint: Up to a week after amniocentesis. Method of measurement: 1-Less than menstrual bleeding 2-menstrual bleedingl.3- more than menstrual bleeding.;Continuous leakage of amniotic fluid. Timepoint: After 6 hours of amniocentesis to 1 week after the procedure. Method of measurement: Observation, ultrasound , nitrazine test.;Chorioamnionitis. Timepoint: Until a week after the procedure. Method of measurement: Uterine tenderness and maternal fever greater than 38°C.;Uterine cramps. Timepoint: After 6 hours of amniocentesis to 1 week after the procedure. Method of measurement: Uterine contractions felt by the patient.	—

Measure

Time frame

Abortion under 22 weeks. Timepoint: Up to a week after amniocentesis. Method of measurement: During the phone call.The symptoms of bleeding and pain and miscarriage.;Vaginal bleeding. Timepoint: Up to a week after amniocentesis. Method of measurement: 1-Less than menstrual bleeding 2-menstrual bleedingl.3- more than menstrual bleeding.;Continuous leakage of amniotic fluid. Timepoint: After 6 hours of amniocentesis to 1 week after the procedure. Method of measurement: Observation, ultrasound , nitrazine test.;Chorioamnionitis. Timepoint: Until a week after the procedure. Method of measurement: Uterine tenderness and maternal fever greater than 38°C.;Uterine cramps. Timepoint: After 6 hours of amniocentesis to 1 week after the procedure. Method of measurement: Uterine contractions felt by the patient.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactBarband Sharare

Tabriz University of Medical Sciences

salisheri@yahoo.com+98 41351665118

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026