Definition of lactation in English:



  • 1The secretion of milk by the mammary glands.

    • ‘Fluctuating hormone levels, particularly during puberty or menopause, may also cause lactation.’
    • ‘These gaps close by the second week of lactation.’
    • ‘Such features may vary according to whether the patient was pregnant, lactating, or had recently terminated her pregnancy or lactation at the time of surgical excision.’
    • ‘Their projections of lactation capability are often based on the assumption that any lactation is full lactation; that is, if a woman has any milk at all, she has a full milk supply.’
    • ‘Domperidone may increase the secretion of prolactin, a hormone that is needed for lactation.’
    • ‘To induce lactation, the milk ducts of the breasts must be stimulated.’
    • ‘Adoptive mothers should be counseled on the benefits of induced lactation through hormonal therapy or mechanical stimulation.’
    • ‘Although milk production decreased during early lactation, PPI and pregnancy rate were not influenced by treatment.’
    • ‘As lactation continues it turns pink because it's very high in iron, and then later in lactation the milk is so thick it's almost like the thickest cream and you cannot even get it up in a pipette.’
    • ‘The period that she produces milk for them is called lactation.’
    • ‘Remarkably, the females give birth at this time of year; nursing sifaka mothers produce very dilute milk and thus lose significant amounts of water during lactation.’
    • ‘Whether we measure bushels of grain per acre for row crops, pounds of gain per day for livestock, or liters of milk per lactation for dairy cows, innovation in agriculture has been dramatic.’
    • ‘Mammary glands during lactation were excised from two swh/swh and two swh / + females on the day of their delivery.’
    • ‘James's breed leader was the home bred second calver Winton Gibson Pamela which produced 9,000 litres of milk in her last lactation.’
    • ‘Reduced DMI impacts the amount and duration of negative energy balance in early lactation, subsequent milk production and reproduction, and economic value.’
    • ‘And probably that reflects the fact that these women, if they are good at long time lactating, probably will eat more to keep that lactation going.’
    • ‘The pregnant woman accumulates fat during pregnancy to guarantee fetal development and lactation.’
    • ‘Consider, for example, dairy cows with first and second lactation milk yield records.’
    • ‘Nutrition plays a major role in pregnancy and lactation.’
    • ‘From here it was an easy step for early modern suspicion to extend to all female bodily fluids: tears, menstruation, lactation.’
    1. 1.1The suckling of young.
      • ‘Breeding seasons of both species began with male testes developing in winter and spring, followed by female pregnancy and lactation in late spring and summer.’
      • ‘Because of feeding difficulties, the mothers of these infants may benefit from lactation consultation and occupational therapy.’
      • ‘Studies of captive lorises have shown that after a female has given birth, the demands of lactation and raising an infant may keep her from mating again for ten to fourteen months.’
      • ‘When a mother or an infant is hospitalized, lactation should be continued if possible.’
      • ‘It may or may not re-accumulate during the 2nd pregnancy and lactation.’
      • ‘One group drank a lot of carrot juice during the last trimester of pregnancy, the other group drank the carrot juice during lactation, and then we had a control group.’
      • ‘Major demands are placed on the mother by the fetus for calcium during pregnancy and by the infant during lactation.’
      • ‘Our data support the hypothesis that bone lead may be mobilized during pregnancy and lactation.’
      • ‘Because it contains noninfectious hepatitis B surface antigen particles and should cause no risk to the fetus, neither pregnancy nor lactation is a contraindication to vaccination.’
      • ‘Doxycycline is relatively contraindicated during pregnancy or lactation and for children younger than eight years.’
      • ‘Safety during pregnancy and lactation is less extensively documented than in Herb Contraindications and Drug Interactions.’
      • ‘Although the use of antidepressant medications during pregnancy and lactation is generally discouraged, new findings indicate that drastic measures to cease treatment may do more harm than good.’
      • ‘Pregnancy and lactation are considered the only absolute contraindications.’
      • ‘Exclusion criteria included any current use of weight-loss or lipid-lowering medications, and type II diabetes, pregnancy, or lactation.’
      • ‘Guidelines for the evaluation of nonpuerperal galactorrhea should also include inquiry about previous pregnancy or lactation.’
      • ‘The nutrient content of expressed breast milk varies depending on the stage of lactation at which it is collected.’
      • ‘Nutritional rickets at this age is not uncommon in areas where maternal intake of vitamin D and calcium during pregnancy and lactation is very low.’
      • ‘Clear contraindications to androgen therapy include pregnancy, lactation, signs of hyperandrogenemia, and presence of androgen-dependent tumors.’
      • ‘Contraindications to sentinel node biopsy include a clinically positive axillary node, prior axillary surgery, pregnancy, or lactation.’
      • ‘However, none of the 5 tumors presenting during pregnancy and lactation that were tested were positive for either protein.’


Mid 17th century: from Latin lactatio(n-), from lactare suckle from lac, lact- milk.