Related Experiment Video
Updated: Jul 16, 2026

05:40
Continuous Telemetric In Utero Tracheal Pressure Measurements in Fetal Lambs
Published on: December 22, 2023
Antepartum transabdominal amnioinfusion
Summary
Antepartum transabdominal amnioinfusion (APTA) significantly reduces perinatal complications and mortality in pregnancies with oligohydramnios. This procedure improves amniotic fluid index and leads to better perinatal outcomes, especially in preterm cases.
Area of Science:
- Maternal-Fetal Medicine
- Perinatology
- Obstetrics
Background:
- Oligohydramnios, a condition of low amniotic fluid, is associated with increased perinatal morbidity and mortality.
- Effective interventions to manage oligohydramnios are crucial for improving pregnancy outcomes.
Purpose of the Study:
- To evaluate the efficacy of antepartum transabdominal amnioinfusion (APTA) in mitigating adverse perinatal outcomes in pregnancies complicated by oligohydramnios.
- To assess the impact of APTA on amniotic fluid index (AFI) and rates of cesarean delivery and perinatal mortality.
Main Methods:
- A case-control study involving 100 pregnant women diagnosed with oligohydramnios.
- Fifty women received antepartum transabdominal amnioinfusion (APTA), while 50 controls received conservative management, matched for key demographic and obstetric factors.
Main Results:
- APTA resulted in a significant increase in amniotic fluid index (AFI), with a mean rise of 4.02 cm.
- Cesarean section rates were substantially lower in the APTA group (18%) compared to the control group (46%).
- Perinatal mortality was significantly reduced in the APTA group (4%) versus the control group (18%).
Conclusions:
- Antepartum transabdominal amnioinfusion (APTA) is an effective intervention for managing oligohydramnios and reducing associated perinatal complications.
- The procedure is particularly beneficial in preterm pregnancies, offering improved perinatal outcomes by enabling pregnancy prolongation.
- APTA demonstrates utility in improving fetal environment and potentially reducing the need for early delivery.
Related Concept Videos
Intrauterine Drug Delivery Systems
Controlled-release systems for intravaginal and intrauterine drug delivery have been developed primarily for the administration of contraceptive steroid hormones. These delivery routes circumvent first-pass hepatic metabolism, thereby enhancing bioavailability and allowing for reduced systemic dosages compared to oral administration. Such approaches contribute to improved therapeutic efficacy and patient compliance, particularly in long-term contraceptive regimens.Intravaginal Drug Delivery...
In Vitro Fertilization
In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
Transcytosis of IgG
Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...

