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Impact of the Intrapartum Synthetic Oxytocin Dose on Breastfeeding and Endogenous Oxytocin: Cohort study

Impact of the Intrapartum Synthetic Oxytocin Dose on Breastfeeding and Endogenous Oxytocin: Cohort study - Impact of the Intrapartum Synthetic Oxytocin Dose on Breastfeeding

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000037783
Enrollment
165
Registered
2019-08-26
Start date
2019-09-30
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Low-risk primipara

Interventions

None listed

Sponsors

St. Luke's International University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Singleton primiparas who plan on continuing breastfeeding for 12 weeks or more after delivery (including mixed feeding)

Exclusion criteria

Exclusion criteria: 1) Cesarean delivery 2) Medical or pregnancy complications (hypertensive disorders of pregnancy, gestational diabetes (more than 2 points), uterine anomalies) 3) History of breast surgery 4) History of mental illness, epilepsy, cancer 5) Taking or inhaling steroids 6) HTLV, HIV, HBV, HCV positive 7) Smoker 8) Alcoholism 9) Illegal drug users 10) Bleeding in mouth (Periodontal disease, bleeding gums, stomatitis) 11) When epidural anesthesia is delivered without using synthetic oxytocin 12) Preterm birth (giving birth before 37 weeks of pregnancy) 13) Birth weight of less than 2500g 14) Oral anomalies in newborns 15) Apgar score of less than 7 at birth in newborns 16) Neonatal admission to NICU

Design outcomes

Primary

MeasureTime frame
24 hour milk production on postpartum day 3 and 1 month later

Secondary

MeasureTime frame
Salivary oxytocin on postpartum day 3 Postpartum 3 days, 1 and 4 months later breastfeeding continuation rate Start date of Lactogenesis II

Countries

Japan

Contacts

Public ContactKaori Takahata

St. Luke's International University, Graduate School Nursing science

kaoritakahata@slcn.ac.jp03-3543-6391

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026