At the site of implantation, this multi-nucleate mass invates the endometrium
These hormones increase vascularization of the endometrium
Human Chorionic Gonadotrophin
This hormone produced by the blastocyst and early placenta maintains the corpus luteum
This is produced by the placenta, and stimulates myometrial and mammary gland development
This is the source of estrogen production during late pregnancy
This hormone inhibits follicular development and spontaneous uterine contractions
This is the source of progesterone production during late pregnancy
Human Placental Lactogen
This hormone lowers maternal glucose use, and prepares the mammary gland for lactation
This hormone softens the cervix and loosens connective tissue
Continuing pregnancy is dependent on the ovary until this many weeks gestation
This is the highest-produced estrogen during pregnancy
This hormone positively feeds-back to increase uterine contractions during labour
estradiol and progesterone
These hormones inhibit prolactin action during pregnancy
This hormone tonically inhibits prolactin production and release
The fetus is sexually bipotential until this many weeks gestation
In the absence of male hormones, these develop into the vagina, uterus and Fallopian tubes
In the male, these develop into the vas deferens
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.