multiple births

Siblings born together

Multiple births occur when a pregnancy produces more than one offspring at once.

Twins are the most common, followed by triplets, quadruplets, and rarer higher-order multiples.

Fertility treatments have increased the frequency of multiple births since the late twentieth century.

She was exhausted after carrying triplets to term.

types

twins

Siblings born simultaneously

fraternal · monozygotic · dizygotic · conjoined

siblings

brothers

Male children of same parents

nursery · brood · litter · coevals · birth order · sibling rivalry · wombmates · littermates · sibling dynamics · playmates

pregnancy

high-risk

Involving significant danger

preterm labor · bed rest · premature birth · NICU · fetal monitoring · amniocentesis · maternal health · placenta · selective reduction · cesarean

genetics

zygosity

Allele similarity degree

genes · genotype · phenotype · alleles · inheritance · genetic variation · monozygotic · dizygotic · genomics · epigenetics

fertility

IVF

Laboratory-aided conception method

embryo transfer · fertility clinic · reproductive technology · fertility treatment · hormone therapy · fertility specialist · egg donation · ovarian stimulation · implantation · conception

family

offspring

Biological descendants produced

relatives · procreation · childrearing · double stroller · family planning · childcare · feeding schedule · family size

Categories
Opposites
number of offspring

multiple birthssingleton

Only member present

only child

Family

multiple, births, triplets, quadruplets, quintuplets, sextuplets, multiple birth, octuplets, septuplets

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G