perinatally

Near delivery time

Perinatally means occurring during the perinatal period—the time shortly before and after birth, typically from about the 22nd week of pregnancy through the first week of life.

The term appears most often in medical contexts: perinatally transmitted infections, perinatally acquired HIV.

It describes events, conditions, or exposures that happen during this critical window surrounding birth.

development

gestation

Carrying offspring in womb

morphogenesis · differentiation · maturation · growth · neurological · implantation · viability · trimester · placental · amniotic

birth

labor

Strenuous effort; also childbirth

vaginal · cesarean · postpartum · parturition · midwifery · doula · birthweight · resuscitation · skin-to-skin · meconium

medical

obstetrics

Childbirth medicine branch

sonogram · teratogens · high-risk · obstetrician · biophysical · antenatal · screening · diagnosis · intervention · complications

newborn

infant

Very young child

breastfeeding · bonding · swaddling · screening · reflexes · fontanelle · umbilical · colostrum · rooming-in · phototherapy

transmission

vertical

At right angles groundward

infection · antibodies · immunity · placental · transplacental · acquired · congenital · breastmilk · syphilis · rubella

Opposites
developmental timing

perinatallypostnatally

After childbirth occurs

prenatally · congenitally · neonatally · in utero · terminally

Family

perinatal

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