Painless injections in labor are used to reduce the pain of vaginal delivery by injecting opioids, also known clinically as labor analgesia. It may cause side effects such as nausea and respiratory depression.
Painless injection in labor belongs to general opioid anesthesia in the category of labor analgesia, which refers to the intermittent administration of opioids, such as fentanyl, nalbuphine, remifentanil, etc., through intravenous or intramuscular injections to achieve the effect of analgesia.
The effects of labor analgesia vary from person to person, and there may be adverse effects such as maternal nausea, prolonged gastrointestinal emptying, respiratory depression, and neonatal respiratory depression.
Although labor analgesia has certain risks, it is generally safe and has less adverse effects on the mother and the fetus. It is recommended that mothers can choose the appropriate type of labor analgesia according to their physical condition and personal wishes, and under the guidance of anesthesiologists.