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出生时的 | |||
围产的 | |||
产期的 | |||
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围产期的 | |||
English thesaurus | |||
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The time period that extends from about mid-way before birth to after birth. This time period begins the 20th week of gestation and ends 4 weeks after birth. Perinatal transmission of HIV refers to the passage of HIV from an infected mother to her child during pregnancy, labor and delivery, or breastfeeding through breast milk. see also mother-to-child transmission |
perinatal : 19 phrases in 6 subjects |
Animal husbandry | 2 |
Demography | 1 |
Genetics | 1 |
Medical | 4 |
Nursing | 8 |
Reproductive biology | 3 |