22
Śrīmad-Bhāgavatam
[Canto 9, Ch. 1]
tat —because;  idam —this;  bhagavān —Lord Śiva;  āha —said;  priyāyāḥ —of his dear wife;  priya-kāmyayā —for the pleasure;  sthānam —place;  yaḥ —anyone who;  praviśet —will enter;  etat —here;  saḥ —that person;  vai —indeed;  yoṣit —female;  bhavet —shall become;  iti —thus.
TRANSLATION
Thereupon, just to please his wife, Lord Śiva said, “Any male entering this place shall immediately become a female!”
TEXT 33
तत ऊर्ध्वं वनं तद् वै पुरुषा वर्जयन्ति हि । सा चानुचरसंयुक्ता विचचार वनाद् वनम् ॥३३॥
tata ūrdhvaṁ vanaṁ tad vai puruṣā varjayanti hi sā cānucara-saṁyuktā vicacāra vanād vanam
tataḥ ūrdhvam —from that time onward;  vanam —forest;  tat —that;  vai —in particular;  puruṣāḥ —males;  varjayanti —do not enter;  hi —indeed;  sā —Sudyumna in the form of a woman;  ca —also;  anucara-saṁyuktā —accompanied by his companions;  vicacāra —walked;  vanāt vanam —within the forest from one place to another.
TRANSLATION
Since that time, no male had entered that forest. But now King Sudyumna, having been transformed into a female, began to walk with his associates from one forest to another.
PURPORT
In  Bhagavad-gītā  (2.22) it is said:
vāsāṁsi jīṃāni yathā vihāya navāni gṛhṇāti naro 'parāṇi tathā sarīrāṇi vihāya jīṃāny anyāni saṁyāti navāni dehī