initiate of lactogenesis stage II
Conditions
Interventions
1:early pumpers <3 hr postpartum
2:intermediate pumpers: 3-6 hr postpartum
3:late pumpers: 6-24 hr postpartum
Sponsors
Peking Union Medical College Hospital
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1. Subject over 18 years; 2. Infant GA at birth is =34 and <37 weeks; 3. Subject aims to provide breastmilk for the baby through breastfeeding and/or pumping; 4. Subject agrees to pump or breastfeeding at least 8 times per day until day 14; 5. Subject agrees to complete the pumping log according to CIP; 6. Subject agrees to collect 0.5-1 ml of milk in the morning and afternoon from each breast during the first 7 days; 7. Subject signed the Informed Consent Form.
Exclusion criteria
Exclusion criteria: 1. Infant has a severe medical condition (life expectancy<12 months). 2. Severe medical condition contraindicating breastfeeding or milk expression by pumping in the early postpartum period.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| milk volume; | — |
Secondary
| Measure | Time frame |
|---|---|
| sodium content;the degree of breast fullness; | — |
Countries
China
Contacts
Public ContactZhenghong Li
Pediatric Department, Peking Union Medical College Hospital
Outcome results
None listed