One verse

Srimad Bhagavatam 3.31.1

3.31.1

श्रीभगवानुवाच कर्मणा दैवनेत्रेण जन्तुर्देहोपपत्तये । स्त्रिया: प्रविष्ट उदरं पुंसो रेत:कणाश्रय: ॥ १ ॥

sri-bhagavan uvaca karmana daiva-netrena jantur dehopapattaye striyah pravista udaram pumso retah-kanasrayah

sri-bhagavan uvaca
the Supreme Personality of Godhead said
karmana
by the result of work
daiva-netrena
under the supervision of the Lord
jantuh
the living entity
deha
a body
upapattaye
for obtaining
striyah
of a woman
pravistah
enters
udaram
the womb
pumsah
of a man
retah
of semen
kana
a particle
asrayah
dwelling in.

The Personality of Godhead said: Under the supervision of the Supreme Lord and according to the result of his work, the living entity, the soul, is made to enter into the womb of a woman through the particle of male semen to assume a particular type of body.