Definition of lactation in US English:

lactation

noun

  • 1The secretion of milk by the mammary glands.

    • ‘James's breed leader was the home bred second calver Winton Gibson Pamela which produced 9,000 litres of milk in her last lactation.’
    • ‘To induce lactation, the milk ducts of the breasts must be stimulated.’
    • ‘Although milk production decreased during early lactation, PPI and pregnancy rate were not influenced by treatment.’
    • ‘Fluctuating hormone levels, particularly during puberty or menopause, may also cause lactation.’
    • ‘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 pregnant woman accumulates fat during pregnancy to guarantee fetal development and lactation.’
    • ‘Mammary glands during lactation were excised from two swh/swh and two swh / + females on the day of their delivery.’
    • ‘Nutrition plays a major role in pregnancy and lactation.’
    • ‘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.’
    • ‘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.’
    • ‘Adoptive mothers should be counseled on the benefits of induced lactation through hormonal therapy or mechanical stimulation.’
    • ‘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.’
    • ‘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.’
    • ‘From here it was an easy step for early modern suspicion to extend to all female bodily fluids: tears, menstruation, lactation.’
    • ‘Reduced DMI impacts the amount and duration of negative energy balance in early lactation, subsequent milk production and reproduction, and economic value.’
    • ‘These gaps close by the second week of lactation.’
    • ‘The period that she produces milk for them is called lactation.’
    • ‘Consider, for example, dairy cows with first and second lactation milk yield records.’
    • ‘Domperidone may increase the secretion of prolactin, a hormone that is needed for 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.’
    1. 1.1 The suckling of young.
      • ‘The nutrient content of expressed breast milk varies depending on the stage of lactation at which it is collected.’
      • ‘Guidelines for the evaluation of nonpuerperal galactorrhea should also include inquiry about previous pregnancy or lactation.’
      • ‘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.’
      • ‘Exclusion criteria included any current use of weight-loss or lipid-lowering medications, and type II diabetes, pregnancy, or 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.’
      • ‘However, none of the 5 tumors presenting during pregnancy and lactation that were tested were positive for either protein.’
      • ‘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.’
      • ‘Our data support the hypothesis that bone lead may be mobilized during pregnancy and lactation.’
      • ‘Contraindications to sentinel node biopsy include a clinically positive axillary node, prior axillary surgery, pregnancy, or lactation.’
      • ‘Pregnancy and lactation are considered the only absolute contraindications.’
      • ‘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.’
      • ‘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.’
      • ‘Major demands are placed on the mother by the fetus for calcium during pregnancy and by the infant during lactation.’
      • ‘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.’
      • ‘Because of feeding difficulties, the mothers of these infants may benefit from lactation consultation and occupational therapy.’
      • ‘It may or may not re-accumulate during the 2nd pregnancy and lactation.’
      • ‘Clear contraindications to androgen therapy include pregnancy, lactation, signs of hyperandrogenemia, and presence of androgen-dependent tumors.’
      • ‘When a mother or an infant is hospitalized, lactation should be continued if possible.’

Origin

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

Pronunciation

lactation

/lækˈteɪʃ(ə)n//lakˈtāSH(ə)n/